diff options
| -rw-r--r-- | LICENSE | 280 | ||||
| -rw-r--r-- | TODO | 86 | ||||
| -rwxr-xr-x | bin/housekeeping.sh | 3 | ||||
| -rw-r--r-- | etc/apt/apt.conf.d/80proxy | 2 | ||||
| -rw-r--r-- | etc/squid/squid.conf | 4948 | ||||
| -rw-r--r-- | etc/sudoers.d/jenkins | 1 | ||||
| -rw-r--r-- | logparse/debian.rules | 14 | ||||
| -rwxr-xr-x | update_jdn.sh | 44 | ||||
| -rw-r--r-- | userContent/images/debian-swirl-24x24.png | bin | 0 -> 913 bytes | |||
| -rw-r--r-- | userContent/images/profitbricks-24x24.png | bin | 0 -> 689 bytes | |||
| -rw-r--r-- | userContent/theme/debian-swirl.png | bin | 0 -> 10665 bytes | |||
| -rw-r--r-- | userContent/theme/debian.css | 24 | ||||
| -rw-r--r-- | userContent/theme/title.png | bin | 0 -> 7549 bytes |
13 files changed, 5361 insertions, 41 deletions
diff --git a/LICENSE b/LICENSE new file mode 100644 index 00000000..d8cf7d46 --- /dev/null +++ b/LICENSE @@ -0,0 +1,280 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Lesser General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. 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To prevent this, we have made it clear that any +patent must be licensed for everyone's free use or not licensed at all. + + The precise terms and conditions for copying, distribution and +modification follow. + + GNU GENERAL PUBLIC LICENSE + TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION + + 0. This License applies to any program or other work which contains +a notice placed by the copyright holder saying it may be distributed +under the terms of this General Public License. The "Program", below, +refers to any such program or work, and a "work based on the Program" +means either the Program or any derivative work under copyright law: +that is to say, a work containing the Program or a portion of it, +either verbatim or with modifications and/or translated into another +language. (Hereinafter, translation is included without limitation in +the term "modification".) Each licensee is addressed as "you". + +Activities other than copying, distribution and modification are not +covered by this License; they are outside its scope. The act of +running the Program is not restricted, and the output from the Program +is covered only if its contents constitute a work based on the +Program (independent of having been made by running the Program). +Whether that is true depends on what the Program does. + + 1. You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. 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For example, if a patent +license would not permit royalty-free redistribution of the Program by +all those who receive copies directly or indirectly through you, then +the only way you could satisfy both it and this License would be to +refrain entirely from distribution of the Program. + +If any portion of this section is held invalid or unenforceable under +any particular circumstance, the balance of the section is intended to +apply and the section as a whole is intended to apply in other +circumstances. + +It is not the purpose of this section to induce you to infringe any +patents or other property right claims or to contest validity of any +such claims; this section has the sole purpose of protecting the +integrity of the free software distribution system, which is +implemented by public license practices. Many people have made +generous contributions to the wide range of software distributed +through that system in reliance on consistent application of that +system; it is up to the author/donor to decide if he or she is willing +to distribute software through any other system and a licensee cannot +impose that choice. + +This section is intended to make thoroughly clear what is believed to +be a consequence of the rest of this License. + + 8. If the distribution and/or use of the Program is restricted in +certain countries either by patents or by copyrighted interfaces, the +original copyright holder who places the Program under this License +may add an explicit geographical distribution limitation excluding +those countries, so that distribution is permitted only in or among +countries not thus excluded. In such case, this License incorporates +the limitation as if written in the body of this License. + + 9. The Free Software Foundation may publish revised and/or new versions +of the General Public License from time to time. Such new versions will +be similar in spirit to the present version, but may differ in detail to +address new problems or concerns. + +Each version is given a distinguishing version number. If the Program +specifies a version number of this License which applies to it and "any +later version", you have the option of following the terms and conditions +either of that version or of any later version published by the Free +Software Foundation. If the Program does not specify a version number of +this License, you may choose any version ever published by the Free Software +Foundation. + + 10. If you wish to incorporate parts of the Program into other free +programs whose distribution conditions are different, write to the author +to ask for permission. For software which is copyrighted by the Free +Software Foundation, write to the Free Software Foundation; we sometimes +make exceptions for this. Our decision will be guided by the two goals +of preserving the free status of all derivatives of our free software and +of promoting the sharing and reuse of software generally. + + NO WARRANTY + + 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +REPAIR OR CORRECTION. + + 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR +REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING +OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED +TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY +YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER +PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS @@ -1,5 +1,13 @@ -TODO ----- +About jenkins.debian.net +======================== +:Author: Holger Levsen +:Authorinitials: holger +:EMail: holger@layer-acht.org +:Status: in progress +:lang: en +:Doctype: article +:Licence: GPLv2 + == About jenkins.debian.net @@ -7,61 +15,57 @@ TODO * Join #debian-qa on irc.debian.org to report bugs or give other feedback! * git clone git://git.debian.org/git/users/holger/jenkins.debian.net.git -== general todo - -- add copyright notes -- firewall host -- switch to /srv/jenkins to be fetch from git -- mv "welcome to jenkins.d.n"-intro text to "about jenkins.d.n" in navigation (and use the html rendered version of this very file (in asciidoc syntax)) -- use mirror.1und1.d -- mail notifications (to where?) -- proper backup (=daily) -- moar tests (see below) -- use https://github.com/openstack-ci/jenkins-job-builder to create _all_ job configurations (if possible, else mix with job-dsl-plugin or https://github.com/JoelJ/Templating.git -- proper git repo, outside ~holger +== General todo +* firewall host +* use mirror.1und1.d +* mail notifications (to where?) +* proper backup (=daily), bottom of this document +* more tests (see below) +* use https://github.com/openstack*ci/jenkins*job*builder to create _all_ job configurations (if possible, else mix with job*dsl*plugin or https://github.com/JoelJ/Templating.git -=== minor stuff +=== Minor stuff -- squid, cache files bigger than 20MB? (maximum_object_size in squid.conf) -- only trigger^wreally run jobs if available+used packages have changed (save packages in db and compare) -- install desktop-base, plymouth? +* mv TODO about.txt +* use nice stylesheet for about.html +* proper git repo url, outside users/holger +* squid, cache files bigger than 20MB? (maximum_object_size in squid.conf) +* only trigger (=really run) jobs if available+used packages have changed (save packages in db and compare) -== more tests: +== More tests to be run -=== test images: +=== Test cd-images: +---- <h01ger> and i plan to test (at first) weekly images of amd64 std,kde,lxde+xfce weekly and the first sid daily daily. anything obvious+useful i miss? <h01ger> .oO( "other archs" ) +---- +** http://cdimage.debian.org/cdimage/weekly-builds/amd64/jigdo-cd/ +** http://cdimage.debian.org/cdimage/daily-builds/sid_d-i/20121020-1/amd64/ -- use jigdo: - -http://cdimage.debian.org/cdimage/weekly-builds/amd64/jigdo-cd/ -http://cdimage.debian.org/cdimage/daily-builds/sid_d-i/20121020-1/amd64/ - -- start client VMs using the profitbricks API: https://www.profitbricks.com/us/media/docs/PB_PublicAPI_EN.pdf (and dhcp) +* use jigdo to download those images +* start client VMs using the profitbricks API: https://www.profitbricks.com/us/media/docs/PB_PublicAPI_EN.pdf (and dhcp) -=== test tasks: +=== Test tasks: +---- <h01ger> how do i install a task outside d-i? <h01ger> what interesting tasks are there? <jcristau> tasksel install <task> <daemonkeeper> h01ger: http://packages.debian.org/source/sid/tasksel +---- +(FIXME: tasksel doesn't work like this) -== to document properly +== Installed software that makes jenkins.debian.net run -#missing: how jenkins was installed -apt-get install mtr-tiny dstat -apt-get install debootstrap sudo figlet graphviz apache2 python-yaml python-setuptools -apt-get install build-essential devscripts && apt-get build-dep python-jenkinsapi -a2enmod proxy -a2enmod proxy_http +* FIXME: how jenkins was installed + configured +* needed packages are listed in update_jdn.sh and which will also make sure they are installed +** update_jdn.sh is available in the git repo +* package configuration is kept in git and deployed by update_jdn.sh as well -== to backup -- backup: /etc /srv/jenkins /var/lib/jenkins/job/*/config.xml /var/lib/jenkins/userContent/ -- mkdir /chroots ; chown jenkins.jenkins /chroots -- /etc/sudoers.d/jenkins -- /etc/squid/squid.conf -- /etc/apt/apt.conf.d/80proxy -- /etc/apache2/sites-enabled/000-default +== To backup +* /etc/.git +* /var/lib/jenkins/job/*/config.xml +* /var/lib/jenkins/config.xml as well as its plugins etc +* /srv/jenkins probably not diff --git a/bin/housekeeping.sh b/bin/housekeeping.sh index e8655e21..b16a5a96 100755 --- a/bin/housekeeping.sh +++ b/bin/housekeeping.sh @@ -1,5 +1,8 @@ #/bin/bash +# Copyright 2012 Holger Levsen <holger@layer-acht.org> +# released under the GPLv=2 + echo uptime echo diff --git a/etc/apt/apt.conf.d/80proxy b/etc/apt/apt.conf.d/80proxy new file mode 100644 index 00000000..15a688ea --- /dev/null +++ b/etc/apt/apt.conf.d/80proxy @@ -0,0 +1,2 @@ +Acquire::http::Proxy "http://localhost:3128"; + diff --git a/etc/squid/squid.conf b/etc/squid/squid.conf new file mode 100644 index 00000000..230bc50d --- /dev/null +++ b/etc/squid/squid.conf @@ -0,0 +1,4948 @@ + +# WELCOME TO SQUID 2.7.STABLE9 +# ---------------------------- +# +# This is the default Squid configuration file. You may wish +# to look at the Squid home page (http://www.squid-cache.org/) +# for the FAQ and other documentation. +# +# The default Squid config file shows what the defaults for +# various options happen to be. If you don't need to change the +# default, you shouldn't uncomment the line. Doing so may cause +# run-time problems. In some cases "none" refers to no default +# setting at all, while in other cases it refers to a valid +# option - the comments for that keyword indicate if this is the +# case. +# + + +# Configuration options can be included using the "include" directive. +# Include takes a list of files to include. Quoting and wildcards is +# supported. +# +# For example, +# +# include /path/to/included/file/squid.acl.config +# +# Includes can be nested up to a hard-coded depth of 16 levels. +# This arbitrary restriction is to prevent recursive include references +# from causing Squid entering an infinite loop whilst trying to load +# configuration files. + + +# OPTIONS FOR AUTHENTICATION +# ----------------------------------------------------------------------------- + +# TAG: auth_param +# This is used to define parameters for the various authentication +# schemes supported by Squid. +# +# format: auth_param scheme parameter [setting] +# +# The order in which authentication schemes are presented to the client is +# dependent on the order the scheme first appears in config file. IE +# has a bug (it's not RFC 2617 compliant) in that it will use the basic +# scheme if basic is the first entry presented, even if more secure +# schemes are presented. For now use the order in the recommended +# settings section below. If other browsers have difficulties (don't +# recognize the schemes offered even if you are using basic) either +# put basic first, or disable the other schemes (by commenting out their +# program entry). +# +# Once an authentication scheme is fully configured, it can only be +# shutdown by shutting squid down and restarting. Changes can be made on +# the fly and activated with a reconfigure. I.E. You can change to a +# different helper, but not unconfigure the helper completely. +# +# Please note that while this directive defines how Squid processes +# authentication it does not automatically activate authentication. +# To use authentication you must in addition make use of ACLs based +# on login name in http_access (proxy_auth, proxy_auth_regex or +# external with %LOGIN used in the format tag). The browser will be +# challenged for authentication on the first such acl encountered +# in http_access processing and will also be re-challenged for new +# login credentials if the request is being denied by a proxy_auth +# type acl. +# +# WARNING: authentication can't be used in a transparently intercepting +# proxy as the client then thinks it is talking to an origin server and +# not the proxy. This is a limitation of bending the TCP/IP protocol to +# transparently intercepting port 80, not a limitation in Squid. +# +# === Parameters for the basic scheme follow. === +# +# "program" cmdline +# Specify the command for the external authenticator. Such a program +# reads a line containing "username password" and replies "OK" or +# "ERR" in an endless loop. "ERR" responses may optionally be followed +# by a error description available as %m in the returned error page. +# +# By default, the basic authentication scheme is not used unless a +# program is specified. +# +# If you want to use the traditional proxy authentication, jump over to +# the helpers/basic_auth/NCSA directory and type: +# % make +# % make install +# +# Then, set this line to something like +# +# auth_param basic program /usr/lib/squid/ncsa_auth /usr/etc/passwd +# +# "children" numberofchildren +# The number of authenticator processes to spawn. If you start too few +# squid will have to wait for them to process a backlog of credential +# verifications, slowing it down. When credential verifications are +# done via a (slow) network you are likely to need lots of +# authenticator processes. +# auth_param basic children 5 +# +# "concurrency" numberofconcurrentrequests +# The number of concurrent requests/channels the helper supports. +# Changes the protocol used to include a channel number first on +# the request/response line, allowing multiple requests to be sent +# to the same helper in parallell without wating for the response. +# Must not be set unless it's known the helper supports this. +# +# "realm" realmstring +# Specifies the realm name which is to be reported to the client for +# the basic proxy authentication scheme (part of the text the user +# will see when prompted their username and password). +# auth_param basic realm Squid proxy-caching web server +# +# "credentialsttl" timetolive +# Specifies how long squid assumes an externally validated +# username:password pair is valid for - in other words how often the +# helper program is called for that user. Set this low to force +# revalidation with short lived passwords. Note that setting this high +# does not impact your susceptibility to replay attacks unless you are +# using an one-time password system (such as SecureID). If you are using +# such a system, you will be vulnerable to replay attacks unless you +# also use the max_user_ip ACL in an http_access rule. +# auth_param basic credentialsttl 2 hours +# +# "casesensitive" on|off +# Specifies if usernames are case sensitive. Most user databases are +# case insensitive allowing the same username to be spelled using both +# lower and upper case letters, but some are case sensitive. This +# makes a big difference for user_max_ip ACL processing and similar. +# auth_param basic casesensitive off +# +# "blankpassword" on|off +# Specifies if blank passwords should be supported. Defaults to off +# as there is multiple authentication backends which handles blank +# passwords as "guest" access. +# +# === Parameters for the digest scheme follow === +# +# "program" cmdline +# Specify the command for the external authenticator. Such a program +# reads a line containing "username":"realm" and replies with the +# appropriate H(A1) value hex encoded or ERR if the user (or his H(A1) +# hash) does not exists. See RFC 2616 for the definition of H(A1). +# "ERR" responses may optionally be followed by a error description +# available as %m in the returned error page. +# +# By default, the digest authentication scheme is not used unless a +# program is specified. +# +# If you want to use a digest authenticator, jump over to the +# helpers/digest_auth/ directory and choose the authenticator to use. +# It it's directory type +# % make +# % make install +# +# Then, set this line to something like +# +# auth_param digest program /usr/lib/squid/digest_auth_pw /usr/etc/digpass +# +# "children" numberofchildren +# The number of authenticator processes to spawn. If you start too few +# squid will have to wait for them to process a backlog of credential +# verifications, slowing it down. When credential verifications are +# done via a (slow) network you are likely to need lots of +# authenticator processes. +# auth_param digest children 5 +# +# "concurrency" numberofconcurrentrequests +# The number of concurrent requests/channels the helper supports. +# Changes the protocol used to include a channel number first on +# the request/response line, allowing multiple requests to be sent +# to the same helper in parallell without wating for the response. +# Must not be set unless it's known the helper supports this. +# +# "realm" realmstring +# Specifies the realm name which is to be reported to the client for the +# digest proxy authentication scheme (part of the text the user will see +# when prompted their username and password). +# auth_param digest realm Squid proxy-caching web server +# +# "nonce_garbage_interval" timeinterval +# Specifies the interval that nonces that have been issued to clients are +# checked for validity. +# auth_param digest nonce_garbage_interval 5 minutes +# +# "nonce_max_duration" timeinterval +# Specifies the maximum length of time a given nonce will be valid for. +# auth_param digest nonce_max_duration 30 minutes +# +# "nonce_max_count" number +# Specifies the maximum number of times a given nonce can be used. +# auth_param digest nonce_max_count 50 +# +# "nonce_strictness" on|off +# Determines if squid requires strict increment-by-1 behavior for nonce +# counts, or just incrementing (off - for use when useragents generate +# nonce counts that occasionally miss 1 (ie, 1,2,4,6)). +# auth_param digest nonce_strictness off +# +# "check_nonce_count" on|off +# This directive if set to off can disable the nonce count check +# completely to work around buggy digest qop implementations in certain +# mainstream browser versions. Default on to check the nonce count to +# protect from authentication replay attacks. +# auth_param digest check_nonce_count on +# +# "post_workaround" on|off +# This is a workaround to certain buggy browsers who sends an incorrect +# request digest in POST requests when reusing the same nonce as acquired +# earlier in response to a GET request. +# auth_param digest post_workaround off +# +# === NTLM scheme options follow === +# +# "program" cmdline +# Specify the command for the external NTLM authenticator. Such a +# program participates in the NTLMSSP exchanges between Squid and the +# client and reads commands according to the Squid NTLMSSP helper +# protocol. See helpers/ntlm_auth/ for details. Recommended ntlm +# authenticator is ntlm_auth from Samba-3.X, but a number of other +# ntlm authenticators is available. +# +# By default, the ntlm authentication scheme is not used unless a +# program is specified. +# +# auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp +# +# "children" numberofchildren +# The number of authenticator processes to spawn. If you start too few +# squid will have to wait for them to process a backlog of credential +# verifications, slowing it down. When credential verifications are +# done via a (slow) network you are likely to need lots of +# authenticator processes. +# auth_param ntlm children 5 +# +# "keep_alive" on|off +# This option enables the use of keep-alive on the initial +# authentication request. It has been reported some versions of MSIE +# have problems if this is enabled, but performance will be increased +# if enabled. +# +# auth_param ntlm keep_alive on +# +# === Negotiate scheme options follow === +# +# "program" cmdline +# Specify the command for the external Negotiate authenticator. Such a +# program participates in the SPNEGO exchanges between Squid and the +# client and reads commands according to the Squid ntlmssp helper +# protocol. See helpers/ntlm_auth/ for details. Recommended SPNEGO +# authenticator is ntlm_auth from Samba-4.X. +# +# By default, the Negotiate authentication scheme is not used unless a +# program is specified. +# +# auth_param negotiate program /path/to/samba/bin/ntlm_auth --helper-protocol=gss-spnego +# +# "children" numberofchildren +# The number of authenticator processes to spawn. If you start too few +# squid will have to wait for them to process a backlog of credential +# verifications, slowing it down. When credential verifications are +# done via a (slow) network you are likely to need lots of +# authenticator processes. +# auth_param negotiate children 5 +# +# "keep_alive" on|off +# If you experience problems with PUT/POST requests when using the +# Negotiate authentication scheme then you can try setting this to +# off. This will cause Squid to forcibly close the connection on +# the initial requests where the browser asks which schemes are +# supported by the proxy. +# +# auth_param negotiate keep_alive on +# +#Recommended minimum configuration per scheme: +#auth_param negotiate program <uncomment and complete this line to activate> +#auth_param negotiate children 5 +#auth_param negotiate keep_alive on +#auth_param ntlm program <uncomment and complete this line to activate> +#auth_param ntlm children 5 +#auth_param ntlm keep_alive on +#auth_param digest program <uncomment and complete this line> +#auth_param digest children 5 +#auth_param digest realm Squid proxy-caching web server +#auth_param digest nonce_garbage_interval 5 minutes +#auth_param digest nonce_max_duration 30 minutes +#auth_param digest nonce_max_count 50 +#auth_param basic program <uncomment and complete this line> +#auth_param basic children 5 +#auth_param basic realm Squid proxy-caching web server +#auth_param basic credentialsttl 2 hours +#auth_param basic casesensitive off + +# TAG: authenticate_cache_garbage_interval +# The time period between garbage collection across the username cache. +# This is a tradeoff between memory utilization (long intervals - say +# 2 days) and CPU (short intervals - say 1 minute). Only change if you +# have good reason to. +# +#Default: +# authenticate_cache_garbage_interval 1 hour + +# TAG: authenticate_ttl +# The time a user & their credentials stay in the logged in user cache +# since their last request. When the garbage interval passes, all user +# credentials that have passed their TTL are removed from memory. +# +#Default: +# authenticate_ttl 1 hour + +# TAG: authenticate_ip_ttl +# If you use proxy authentication and the 'max_user_ip' ACL, this +# directive controls how long Squid remembers the IP addresses +# associated with each user. Use a small value (e.g., 60 seconds) if +# your users might change addresses quickly, as is the case with +# dialups. You might be safe using a larger value (e.g., 2 hours) in a +# corporate LAN environment with relatively static address assignments. +# +#Default: +# authenticate_ip_ttl 0 seconds + +# TAG: authenticate_ip_shortcircuit_ttl +# Cache authentication credentials per client IP address for this +# long. Default is 0 seconds (disabled). +# +# See also authenticate_ip_shortcircuit_access directive. +# +#Default: +# authenticate_ip_shortcircuit_ttl 0 seconds + + +# ACCESS CONTROLS +# ----------------------------------------------------------------------------- + +# TAG: external_acl_type +# This option defines external acl classes using a helper program to +# look up the status +# +# external_acl_type name [options] FORMAT.. /path/to/helper [helper arguments..] +# +# Options: +# +# ttl=n TTL in seconds for cached results (defaults to 3600 +# for 1 hour) +# negative_ttl=n +# TTL for cached negative lookups (default same +# as ttl) +# children=n number of processes spawn to service external acl +# lookups of this type. (default 5). +# concurrency=n concurrency level per process. Only used with helpers +# capable of processing more than one query at a time. +# Note: see compatibility note below +# cache=n result cache size, 0 is unbounded (default) +# grace= Percentage remaining of TTL where a refresh of a +# cached entry should be initiated without needing to +# wait for a new reply. (default 0 for no grace period) +# protocol=2.5 Compatibility mode for Squid-2.5 external acl helpers +# +# FORMAT specifications +# +# %LOGIN Authenticated user login name +# %EXT_USER Username from external acl +# %IDENT Ident user name +# %SRC Client IP +# %SRCPORT Client source port +# %URI Requested URI +# %DST Requested host +# %PROTO Requested protocol +# %PORT Requested port +# %METHOD Request method +# %MYADDR Squid interface address +# %MYPORT Squid http_port number +# %PATH Requested URL-path (including query-string if any) +# %USER_CERT SSL User certificate in PEM format +# %USER_CERTCHAIN SSL User certificate chain in PEM format +# %USER_CERT_xx SSL User certificate subject attribute xx +# %USER_CA_xx SSL User certificate issuer attribute xx +# %{Header} HTTP request header "Header" +# %{Hdr:member} HTTP request header "Hdr" list member "member" +# %{Hdr:;member} +# HTTP request header list member using ; as +# list separator. ; can be any non-alphanumeric +# character. +# %ACL The ACL name +# %DATA The ACL arguments. If not used then any arguments +# is automatically added at the end +# +# In addition to the above, any string specified in the referencing +# acl will also be included in the helper request line, after the +# specified formats (see the "acl external" directive) +# +# The helper receives lines per the above format specification, +# and returns lines starting with OK or ERR indicating the validity +# of the request and optionally followed by additional keywords with +# more details. +# +# General result syntax: +# +# OK/ERR keyword=value ... +# +# Defined keywords: +# +# user= The users name (login also understood) +# password= The users password (for PROXYPASS login= cache_peer) +# message= Error message or similar used as %o in error messages +# (error also understood) +# log= String to be logged in access.log. Available as +# %ea in logformat specifications +# +# If protocol=3.0 (the default) then URL escaping is used to protect +# each value in both requests and responses. +# +# If using protocol=2.5 then all values need to be enclosed in quotes +# if they may contain whitespace, or the whitespace escaped using \. +# And quotes or \ characters within the keyword value must be \ escaped. +# +# When using the concurrency= option the protocol is changed by +# introducing a query channel tag infront of the request/response. +# The query channel tag is a number between 0 and concurrency-1. +# +# Compatibility Note: The children= option was named concurrency= in +# Squid-2.5.STABLE3 and earlier, and was accepted as an alias for the +# duration of the Squid-2.5 releases to keep compatibility. However, +# the meaning of concurrency= option has changed in Squid-2.6 to match +# that of Squid-3 and the old syntax no longer works. +# +#Default: +# none + +# TAG: acl +# Defining an Access List +# +# Every access list definition must begin with an aclname and acltype, +# followed by either type-specific arguments or a quoted filename that +# they are read from. +# +# acl aclname acltype argument ... +# acl aclname acltype "file" ... +# +# when using "file", the file should contain one item per line. +# +# By default, regular expressions are CASE-SENSITIVE. To make +# them case-insensitive, use the -i option. +# +# acl aclname src ip-address/netmask ... (clients IP address) +# acl aclname src addr1-addr2/netmask ... (range of addresses) +# acl aclname dst ip-address/netmask ... (URL host's IP address) +# acl aclname myip ip-address/netmask ... (local socket IP address) +# +# acl aclname arp mac-address ... (xx:xx:xx:xx:xx:xx notation) +# # The arp ACL requires the special configure option --enable-arp-acl. +# # Furthermore, the arp ACL code is not portable to all operating systems. +# # It works on Linux, Solaris, FreeBSD and some other *BSD variants. +# # +# # NOTE: Squid can only determine the MAC address for clients that are on +# # the same subnet. If the client is on a different subnet, then Squid cannot +# # find out its MAC address. +# +# acl aclname srcdomain .foo.com ... # reverse lookup, client IP +# acl aclname dstdomain .foo.com ... # Destination server from URL +# acl aclname srcdom_regex [-i] xxx ... # regex matching client name +# acl aclname dstdom_regex [-i] xxx ... # regex matching server +# # For dstdomain and dstdom_regex a reverse lookup is tried if a IP +# # based URL is used and no match is found. The name "none" is used +# # if the reverse lookup fails. +# +# acl aclname time [day-abbrevs] [h1:m1-h2:m2] +# # day-abbrevs: +# # S - Sunday +# # M - Monday +# # T - Tuesday +# # W - Wednesday +# # H - Thursday +# # F - Friday +# # A - Saturday +# # h1:m1 must be less than h2:m2 +# acl aclname url_regex [-i] ^http:// ... # regex matching on whole URL +# acl aclname urlpath_regex [-i] \.gif$ ... # regex matching on URL path +# acl aclname urllogin [-i] [^a-zA-Z0-9] ... # regex matching on URL login field +# acl aclname port 80 70 21 ... +# acl aclname port 0-1024 ... # ranges allowed +# acl aclname myport 3128 ... # (local socket TCP port) +# acl aclname myportname 3128 ... # http(s)_port name +# acl aclname proto HTTP FTP ... +# acl aclname method GET POST ... +# acl aclname browser [-i] regexp ... +# # pattern match on User-Agent header (see also req_header below) +# acl aclname referer_regex [-i] regexp ... +# # pattern match on Referer header +# # Referer is highly unreliable, so use with care +# acl aclname ident username ... +# acl aclname ident_regex [-i] pattern ... +# # string match on ident output. +# # use REQUIRED to accept any non-null ident. +# acl aclname src_as number ... +# acl aclname dst_as number ... +# # Except for access control, AS numbers can be used for +# # routing of requests to specific caches. Here's an +# # example for routing all requests for AS#1241 and only +# # those to mycache.mydomain.net: +# # acl asexample dst_as 1241 +# # cache_peer_access mycache.mydomain.net allow asexample +# # cache_peer_access mycache_mydomain.net deny all +# +# acl aclname proxy_auth [-i] username ... +# acl aclname proxy_auth_regex [-i] pattern ... +# # list of valid usernames +# # use REQUIRED to accept any valid username. +# # +# # NOTE: when a Proxy-Authentication header is sent but it is not +# # needed during ACL checking the username is NOT logged +# # in access.log. +# # +# # NOTE: proxy_auth requires a EXTERNAL authentication program +# # to check username/password combinations (see +# # auth_param directive). +# # +# # NOTE: proxy_auth can't be used in a transparent proxy as +# # the browser needs to be configured for using a proxy in order +# # to respond to proxy authentication. +# +# acl aclname snmp_community string ... +# # A community string to limit access to your SNMP Agent +# # Example: +# # +# # acl snmppublic snmp_community public +# +# acl aclname maxconn number +# # This will be matched when the client's IP address has +# # more than <number> HTTP connections established. +# +# acl aclname max_user_ip [-s] number +# # This will be matched when the user attempts to log in from more +# # than <number> different ip addresses. The authenticate_ip_ttl +# # parameter controls the timeout on the ip entries. +# # If -s is specified the limit is strict, denying browsing +# # from any further IP addresses until the ttl has expired. Without +# # -s Squid will just annoy the user by "randomly" denying requests. +# # (the counter is reset each time the limit is reached and a +# # request is denied) +# # NOTE: in acceleration mode or where there is mesh of child proxies, +# # clients may appear to come from multiple addresses if they are +# # going through proxy farms, so a limit of 1 may cause user problems. +# +# acl aclname req_mime_type mime-type ... +# # regex match against the mime type of the request generated +# # by the client. Can be used to detect file upload or some +# # types HTTP tunneling requests. +# # NOTE: This does NOT match the reply. You cannot use this +# # to match the returned file type. +# +# acl aclname req_header header-name [-i] any\.regex\.here +# # regex match against any of the known request headers. May be +# # thought of as a superset of "browser", "referer" and "mime-type" +# # ACLs. +# +# acl aclname rep_mime_type mime-type ... +# # regex match against the mime type of the reply received by +# # squid. Can be used to detect file download or some +# # types HTTP tunneling requests. +# # NOTE: This has no effect in http_access rules. It only has +# # effect in rules that affect the reply data stream such as +# # http_reply_access. +# +# acl aclname rep_header header-name [-i] any\.regex\.here +# # regex match against any of the known reply headers. May be +# # thought of as a superset of "browser", "referer" and "mime-type" +# # ACLs. +# # +# # Example: +# # +# # acl many_spaces rep_header Content-Disposition -i [[:space:]]{3,} +# +# acl aclname external class_name [arguments...] +# # external ACL lookup via a helper class defined by the +# # external_acl_type directive. +# +# acl aclname urlgroup group1 ... +# # match against the urlgroup as indicated by redirectors +# +# acl aclname user_cert attribute values... +# # match against attributes in a user SSL certificate +# # attribute is one of DN/C/O/CN/L/ST +# +# acl aclname ca_cert attribute values... +# # match against attributes a users issuing CA SSL certificate +# # attribute is one of DN/C/O/CN/L/ST +# +# acl aclname ext_user username ... +# acl aclname ext_user_regex [-i] pattern ... +# # string match on username returned by external acl helper +# # use REQUIRED to accept any non-null user name. +# +#Examples: +#acl macaddress arp 09:00:2b:23:45:67 +#acl myexample dst_as 1241 +#acl password proxy_auth REQUIRED +#acl fileupload req_mime_type -i ^multipart/form-data$ +#acl javascript rep_mime_type -i ^application/x-javascript$ +# +#Recommended minimum configuration: +acl all src all +acl manager proto cache_object +acl localhost src 127.0.0.1/32 +acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 +# +# Example rule allowing access from your local networks. +# Adapt to list your (internal) IP networks from where browsing +# should be allowed +acl localnet src 10.0.0.0/8 # RFC1918 possible internal network +acl localnet src 172.16.0.0/12 # RFC1918 possible internal network +acl localnet src 192.168.0.0/16 # RFC1918 possible internal network +# +acl SSL_ports port 443 # https +acl SSL_ports port 563 # snews +acl SSL_ports port 873 # rsync +acl Safe_ports port 80 # http +acl Safe_ports port 21 # ftp +acl Safe_ports port 443 # https +acl Safe_ports port 70 # gopher +acl Safe_ports port 210 # wais +acl Safe_ports port 1025-65535 # unregistered ports +acl Safe_ports port 280 # http-mgmt +acl Safe_ports port 488 # gss-http +acl Safe_ports port 591 # filemaker +acl Safe_ports port 777 # multiling http +acl Safe_ports port 631 # cups +acl Safe_ports port 873 # rsync +acl Safe_ports port 901 # SWAT +acl purge method PURGE +acl CONNECT method CONNECT + +# TAG: http_access +# Allowing or Denying access based on defined access lists +# +# Access to the HTTP port: +# http_access allow|deny [!]aclname ... +# +# NOTE on default values: +# +# If there are no "access" lines present, the default is to deny +# the request. +# +# If none of the "access" lines cause a match, the default is the +# opposite of the last line in the list. If the last line was +# deny, the default is allow. Conversely, if the last line +# is allow, the default will be deny. For these reasons, it is a +# good idea to have an "deny all" or "allow all" entry at the end +# of your access lists to avoid potential confusion. +# +#Default: +# http_access deny all +# +#Recommended minimum configuration: +# +# Only allow cachemgr access from localhost +http_access allow manager localhost +http_access deny manager +# Only allow purge requests from localhost +http_access allow purge localhost +http_access deny purge +# Deny requests to unknown ports +http_access deny !Safe_ports +# Deny CONNECT to other than SSL ports +http_access deny CONNECT !SSL_ports +# +# We strongly recommend the following be uncommented to protect innocent +# web applications running on the proxy server who think the only +# one who can access services on "localhost" is a local user +#http_access deny to_localhost +# +# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS + +# Example rule allowing access from your local networks. +# Adapt localnet in the ACL section to list your (internal) IP networks +# from where browsing should be allowed +#http_access allow localnet +http_access allow localhost + +# And finally deny all other access to this proxy +http_access deny all + +# TAG: http_access2 +# Allowing or Denying access based on defined access lists +# +# Identical to http_access, but runs after redirectors. If not set +# then only http_access is used. +# +#Default: +# none + +# TAG: http_reply_access +# Allow replies to client requests. This is complementary to http_access. +# +# http_reply_access allow|deny [!] aclname ... +# +# NOTE: if there are no access lines present, the default is to allow +# all replies +# +# If none of the access lines cause a match the opposite of the +# last line will apply. Thus it is good practice to end the rules +# with an "allow all" or "deny all" entry. +# +#Default: +# http_reply_access allow all + +# TAG: icp_access +# Allowing or Denying access to the ICP port based on defined +# access lists +# +# icp_access allow|deny [!]aclname ... +# +# See http_access for details +# +#Default: +# icp_access deny all +# +#Allow ICP queries from local networks only +icp_access allow localnet +icp_access deny all + +# TAG: htcp_access +# Allowing or Denying access to the HTCP port based on defined +# access lists +# +# htcp_access allow|deny [!]aclname ... +# +# See http_access for details +# +# NOTE: The default if no htcp_access lines are present is to +# deny all traffic. This default may cause problems with peers +# using the htcp or htcp-oldsquid options. +# +#Default: +# htcp_access deny all +# +#Allow HTCP queries from local networks only +# htcp_access allow localnet +# htcp_access deny all + +# TAG: htcp_clr_access +# Allowing or Denying access to purge content using HTCP based +# on defined access lists +# +# htcp_clr_access allow|deny [!]aclname ... +# +# See http_access for details +# +##Allow HTCP CLR requests from trusted peers +#acl htcp_clr_peer src 172.16.1.2 +#htcp_clr_access allow htcp_clr_peer +# +#Default: +# htcp_clr_access deny all + +# TAG: miss_access +# Use to force your neighbors to use you as a sibling instead of +# a parent. For example: +# +# acl localclients src 172.16.0.0/16 +# miss_access allow localclients +# miss_access deny !localclients +# +# This means only your local clients are allowed to fetch +# MISSES and all other clients can only fetch HITS. +# +# By default, allow all clients who passed the http_access rules +# to fetch MISSES from us. +# +#Default setting: +# miss_access allow all + +# TAG: ident_lookup_access +# A list of ACL elements which, if matched, cause an ident +# (RFC931) lookup to be performed for this request. For +# example, you might choose to always perform ident lookups +# for your main multi-user Unix boxes, but not for your Macs +# and PCs. By default, ident lookups are not performed for +# any requests. +# +# To enable ident lookups for specific client addresses, you +# can follow this example: +# +# acl ident_aware_hosts src 198.168.1.0/255.255.255.0 +# ident_lookup_access allow ident_aware_hosts +# ident_lookup_access deny all +# +# Only src type ACL checks are fully supported. A src_domain +# ACL might work at times, but it will not always provide +# the correct result. +# +#Default: +# ident_lookup_access deny all + +# TAG: reply_body_max_size bytes deny acl acl... +# This option specifies the maximum size of a reply body in bytes. +# It can be used to prevent users from downloading very large files, +# such as MP3's and movies. When the reply headers are received, +# the reply_body_max_size lines are processed, and the first line with +# a result of "deny" is used as the maximum body size for this reply. +# This size is checked twice. First when we get the reply headers, +# we check the content-length value. If the content length value exists +# and is larger than the allowed size, the request is denied and the +# user receives an error message that says "the request or reply +# is too large." If there is no content-length, and the reply +# size exceeds this limit, the client's connection is just closed +# and they will receive a partial reply. +# +# WARNING: downstream caches probably can not detect a partial reply +# if there is no content-length header, so they will cache +# partial responses and give them out as hits. You should NOT +# use this option if you have downstream caches. +# +# If you set this parameter to zero (the default), there will be +# no limit imposed. +# +#Default: +# reply_body_max_size 0 allow all + +# TAG: authenticate_ip_shortcircuit_access +# Access list determining when shortcicuiting the authentication process +# based on source IP cached credentials is acceptable. Use this to deny +# using the ip auth cache on requests from child proxies or other source +# ip's having multiple users. +# +# See also authenticate_ip_shortcircuit_ttl directive +# +#Default: +# none + + +# OPTIONS FOR X-Forwarded-For +# ----------------------------------------------------------------------------- + +# TAG: follow_x_forwarded_for +# Allowing or Denying the X-Forwarded-For header to be followed to +# find the original source of a request. +# +# Requests may pass through a chain of several other proxies +# before reaching us. The X-Forwarded-For header will contain a +# comma-separated list of the IP addresses in the chain, with the +# rightmost address being the most recent. +# +# If a request reaches us from a source that is allowed by this +# configuration item, then we consult the X-Forwarded-For header +# to see where that host received the request from. If the +# X-Forwarded-For header contains multiple addresses, and if +# acl_uses_indirect_client is on, then we continue backtracking +# until we reach an address for which we are not allowed to +# follow the X-Forwarded-For header, or until we reach the first +# address in the list. (If acl_uses_indirect_client is off, then +# it's impossible to backtrack through more than one level of +# X-Forwarded-For addresses.) +# +# The end result of this process is an IP address that we will +# refer to as the indirect client address. This address may +# be treated as the client address for access control, delay +# pools and logging, depending on the acl_uses_indirect_client, +# delay_pool_uses_indirect_client and log_uses_indirect_client +# options. +# +# SECURITY CONSIDERATIONS: +# +# Any host for which we follow the X-Forwarded-For header +# can place incorrect information in the header, and Squid +# will use the incorrect information as if it were the +# source address of the request. This may enable remote +# hosts to bypass any access control restrictions that are +# based on the client's source addresses. +# +# For example: +# +# acl localhost src 127.0.0.1 +# acl my_other_proxy srcdomain .proxy.example.com +# follow_x_forwarded_for allow localhost +# follow_x_forwarded_for allow my_other_proxy +# +#Default: +# follow_x_forwarded_for deny all + +# TAG: acl_uses_indirect_client on|off +# Controls whether the indirect client address +# (see follow_x_forwarded_for) is used instead of the +# direct client address in acl matching. +# +#Default: +# acl_uses_indirect_client on + +# TAG: delay_pool_uses_indirect_client on|off +# Controls whether the indirect client address +# (see follow_x_forwarded_for) is used instead of the +# direct client address in delay pools. +# +#Default: +# delay_pool_uses_indirect_client on + +# TAG: log_uses_indirect_client on|off +# Controls whether the indirect client address +# (see follow_x_forwarded_for) is used instead of the +# direct client address in the access log. +# +#Default: +# log_uses_indirect_client on + + +# SSL OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: ssl_unclean_shutdown +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# Some browsers (especially MSIE) bugs out on SSL shutdown +# messages. +# +#Default: +# ssl_unclean_shutdown off + +# TAG: ssl_engine +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# The OpenSSL engine to use. You will need to set this if you +# would like to use hardware SSL acceleration for example. +# +#Default: +# none + +# TAG: sslproxy_client_certificate +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# Client SSL Certificate to use when proxying https:// URLs +# +#Default: +# none + +# TAG: sslproxy_client_key +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# Client SSL Key to use when proxying https:// URLs +# +#Default: +# none + +# TAG: sslproxy_version +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# SSL version level to use when proxying https:// URLs +# +#Default: +# sslproxy_version 1 + +# TAG: sslproxy_options +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# SSL engine options to use when proxying https:// URLs +# +#Default: +# none + +# TAG: sslproxy_cipher +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# SSL cipher list to use when proxying https:// URLs +# +#Default: +# none + +# TAG: sslproxy_cafile +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# file containing CA certificates to use when verifying server +# certificates while proxying https:// URLs +# +#Default: +# none + +# TAG: sslproxy_capath +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# directory containing CA certificates to use when verifying +# server certificates while proxying https:// URLs +# +#Default: +# none + +# TAG: sslproxy_flags +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# Various flags modifying the use of SSL while proxying https:// URLs: +# DONT_VERIFY_PEER Accept certificates even if they fail to +# verify. +# NO_DEFAULT_CA Don't use the default CA list built in +# to OpenSSL. +# +#Default: +# none + +# TAG: sslpassword_program +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# Specify a program used for entering SSL key passphrases +# when using encrypted SSL certificate keys. If not specified +# keys must either be unencrypted, or Squid started with the -N +# option to allow it to query interactively for the passphrase. +# +#Default: +# none + + +# NETWORK OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: http_port +# Usage: port [options] +# hostname:port [options] +# 1.2.3.4:port [options] +# +# The socket addresses where Squid will listen for HTTP client +# requests. You may specify multiple socket addresses. +# There are three forms: port alone, hostname with port, and +# IP address with port. If you specify a hostname or IP +# address, Squid binds the socket to that specific +# address. This replaces the old 'tcp_incoming_address' +# option. Most likely, you do not need to bind to a specific +# address, so you can use the port number alone. +# +# If you are running Squid in accelerator mode, you +# probably want to listen on port 80 also, or instead. +# +# The -I command line option will override the *first* port +# specified here. +# +# You may specify multiple socket addresses on multiple lines. +# +# Options: +# +# transparent Support for transparent interception of +# outgoing requests without browser settings. +# +# tproxy Support Linux TPROXY for spoofing outgoing +# connections using the client IP address. +# +# accel Accelerator mode. See also the related vhost, +# vport and defaultsite directives. +# +# defaultsite=domainname +# What to use for the Host: header if it is not present +# in a request. Determines what site (not origin server) +# accelerators should consider the default. +# Defaults to visible_hostname:port if not set +# May be combined with vport=NN to override the port number. +# Implies accel. +# +# vhost Accelerator mode using Host header for virtual +# domain support. Implies accel. +# +# vport Accelerator with IP based virtual host support. +# Implies accel. +# +# vport=NN As above, but uses specified port number rather +# than the http_port number. Implies accel. +# +# allow-direct Allow direct forwarding in accelerator mode. Normally +# accelerated requests is denied direct forwarding as it +# never_direct was used. +# +# urlgroup= Default urlgroup to mark requests with (see +# also acl urlgroup and url_rewrite_program) +# +# protocol= Protocol to reconstruct accelerated requests with. +# Defaults to http. +# +# no-connection-auth +# Prevent forwarding of Microsoft connection oriented +# authentication (NTLM, Negotiate and Kerberos) +# +# act-as-origin +# Act is if this Squid is the origin server. +# This currently means generate own Date: and +# Expires: headers. Implies accel. +# +# http11 Enables HTTP/1.1 support to clients. The HTTP/1.1 +# support is still incomplete with an internal HTTP/1.0 +# hop, but should work with most clients. The main +# HTTP/1.1 features missing due to this is forwarding +# of requests using chunked transfer encoding (results +# in 411) and forwarding of 1xx responses (silently +# dropped) +# +# name= Specifies a internal name for the port. Defaults to +# the port specification (port or addr:port) +# +# tcpkeepalive[=idle,interval,timeout] +# Enable TCP keepalive probes of idle connections +# idle is the initial time before TCP starts probing +# the connection, interval how often to probe, and +# timeout the time before giving up. +# +# If you run Squid on a dual-homed machine with an internal +# and an external interface we recommend you to specify the +# internal address:port in http_port. This way Squid will only be +# visible on the internal address. +# +# Squid normally listens to port 3128 +http_port 3128 + +# TAG: https_port +# Note: This option is only available if Squid is rebuilt with the +# --enable-ssl option +# +# Usage: [ip:]port cert=certificate.pem [key=key.pem] [options...] +# +# The socket address where Squid will listen for HTTPS client +# requests. +# +# This is really only useful for situations where you are running +# squid in accelerator mode and you want to do the SSL work at the +# accelerator level. +# +# You may specify multiple socket addresses on multiple lines, +# each with their own SSL certificate and/or options. +# +# Options: +# +# In addition to the options specified for http_port the folling +# SSL related options is supported: +# +# cert= Path to SSL certificate (PEM format). +# +# key= Path to SSL private key file (PEM format) +# if not specified, the certificate file is +# assumed to be a combined certificate and +# key file. +# +# version= The version of SSL/TLS supported +# 1 automatic (default) +# 2 SSLv2 only +# 3 SSLv3 only +# 4 TLSv1 only +# +# cipher= Colon separated list of supported ciphers. +# +# options= Various SSL engine options. The most important +# being: +# NO_SSLv2 Disallow the use of SSLv2 +# NO_SSLv3 Disallow the use of SSLv3 +# NO_TLSv1 Disallow the use of TLSv1 +# SINGLE_DH_USE Always create a new key when using +# temporary/ephemeral DH key exchanges +# See src/ssl_support.c or OpenSSL SSL_CTX_set_options +# documentation for a complete list of options. +# +# clientca= File containing the list of CAs to use when +# requesting a client certificate. +# +# cafile= File containing additional CA certificates to +# use when verifying client certificates. If unset +# clientca will be used. +# +# capath= Directory containing additional CA certificates +# and CRL lists to use when verifying client certificates. +# +# crlfile= File of additional CRL lists to use when verifying +# the client certificate, in addition to CRLs stored in +# the capath. Implies VERIFY_CRL flag below. +# +# dhparams= File containing DH parameters for temporary/ephemeral +# DH key exchanges. +# +# sslflags= Various flags modifying the use of SSL: +# DELAYED_AUTH +# Don't request client certificates +# immediately, but wait until acl processing +# requires a certificate (not yet implemented). +# NO_DEFAULT_CA +# Don't use the default CA lists built in +# to OpenSSL. +# NO_SESSION_REUSE +# Don't allow for session reuse. Each connection +# will result in a new SSL session. +# VERIFY_CRL +# Verify CRL lists when accepting client +# certificates. +# VERIFY_CRL_ALL +# Verify CRL lists for all certificates in the +# client certificate chain. +# +# sslcontext= SSL session ID context identifier. +# +# +#Default: +# none + +# TAG: tcp_outgoing_tos +# Allows you to select a TOS/Diffserv value to mark outgoing +# connections with, based on the username or source address +# making the request. +# +# tcp_outgoing_tos ds-field [!]aclname ... +# +# Example where normal_service_net uses the TOS value 0x00 +# and good_service_net uses 0x20 +# +# acl normal_service_net src 10.0.0.0/255.255.255.0 +# acl good_service_net src 10.0.1.0/255.255.255.0 +# tcp_outgoing_tos 0x00 normal_service_net +# tcp_outgoing_tos 0x20 good_service_net +# +# TOS/DSCP values really only have local significance - so you should +# know what you're specifying. For more information, see RFC2474 and +# RFC3260. +# +# The TOS/DSCP byte must be exactly that - a octet value 0 - 255, or +# "default" to use whatever default your host has. Note that in +# practice often only values 0 - 63 is usable as the two highest bits +# have been redefined for use by ECN (RFC3168). +# +# Processing proceeds in the order specified, and stops at first fully +# matching line. +# +# Note: The use of this directive using client dependent ACLs is +# incompatible with the use of server side persistent connections. To +# ensure correct results it is best to set server_persisten_connections +# to off when using this directive in such configurations. +# +#Default: +# none + +# TAG: tcp_outgoing_address +# Allows you to map requests to different outgoing IP addresses +# based on the username or source address of the user making +# the request. +# +# tcp_outgoing_address ipaddr [[!]aclname] ... +# +# Example where requests from 10.0.0.0/24 will be forwarded +# with source address 10.1.0.1, 10.0.2.0/24 forwarded with +# source address 10.1.0.2 and the rest will be forwarded with +# source address 10.1.0.3. +# +# acl normal_service_net src 10.0.0.0/24 +# acl good_service_net src 10.0.1.0/24 10.0.2.0/24 +# tcp_outgoing_address 10.1.0.1 normal_service_net +# tcp_outgoing_address 10.1.0.2 good_service_net +# tcp_outgoing_address 10.1.0.3 +# +# Processing proceeds in the order specified, and stops at first fully +# matching line. +# +# Note: The use of this directive using client dependent ACLs is +# incompatible with the use of server side persistent connections. To +# ensure correct results it is best to set server_persistent_connections +# to off when using this directive in such configurations. +# +#Default: +# none + +# TAG: zph_mode +# This option enables packet level marking of HIT/MISS responses, +# either using IP TOS or socket priority. +# off Feature disabled +# tos Set the IP TOS/Diffserv field +# priority Set the socket priority (may get mapped to TOS by OS, +# otherwise only usable in local rulesets) +# option Embed the mark in an IP option field. See also +# zph_option. +# +# See also tcp_outgoing_tos for details/requirements about TOS usage. +# +#Default: +# zph_mode off + +# TAG: zph_local +# Allows you to select a TOS/Diffserv/Priority value to mark local hits. +# Default: 0 (disabled). +# +#Default: +# zph_local 0 + +# TAG: zph_sibling +# Allows you to select a TOS/Diffserv/Priority value to mark sibling hits. +# Default: 0 (disabled). +# +#Default: +# zph_sibling 0 + +# TAG: zph_parent +# Allows you to select a TOS/Diffserv/Priority value to mark parent hits. +# Default: 0 (disabled). +# +#Default: +# zph_parent 0 + +# TAG: zph_option +# The IP option to use when zph_mode is set to "option". Defaults to +# 136 which is officially registered as "SATNET Stream ID". +# +#Default: +# zph_option 136 + + +# OPTIONS WHICH AFFECT THE NEIGHBOR SELECTION ALGORITHM +# ----------------------------------------------------------------------------- + +# TAG: cache_peer +# To specify other caches in a hierarchy, use the format: +# +# cache_peer hostname type http-port icp-port [options] +# +# For example, +# +# # proxy icp +# # hostname type port port options +# # -------------------- -------- ----- ----- ----------- +# cache_peer parent.foo.net parent 3128 3130 proxy-only default +# cache_peer sib1.foo.net sibling 3128 3130 proxy-only +# cache_peer sib2.foo.net sibling 3128 3130 proxy-only +# +# type: either 'parent', 'sibling', or 'multicast'. +# +# proxy-port: The port number where the cache listens for proxy +# requests. +# +# icp-port: Used for querying neighbor caches about +# objects. To have a non-ICP neighbor +# specify '7' for the ICP port and make sure the +# neighbor machine has the UDP echo port +# enabled in its /etc/inetd.conf file. +# NOTE: Also requires icp_port option enabled to send/receive +# requests via this method. +# +# options: proxy-only +# weight=n +# ttl=n +# no-query +# default +# round-robin +# carp +# multicast-responder +# multicast-siblings +# closest-only +# no-digest +# no-netdb-exchange +# no-delay +# login=user:password | PASS | *:password +# connect-timeout=nn +# digest-url=url +# allow-miss +# max-conn=n +# htcp +# htcp-oldsquid +# originserver +# userhash +# sourcehash +# name=xxx +# monitorurl=url +# monitorsize=sizespec +# monitorinterval=seconds +# monitortimeout=seconds +# forceddomain=name +# ssl +# sslcert=/path/to/ssl/certificate +# sslkey=/path/to/ssl/key +# sslversion=1|2|3|4 +# sslcipher=... +# ssloptions=... +# front-end-https[=on|auto] +# connection-auth[=on|off|auto] +# idle=n +# http11 +# +# use 'proxy-only' to specify objects fetched +# from this cache should not be saved locally. +# +# use 'weight=n' to affect the selection of a peer +# during any weighted peer-selection mechanisms. +# The weight must be an integer; default is 1, +# larger weights are favored more. +# This option does not affect parent selection if a peering +# protocol is not in use. +# +# use 'ttl=n' to specify a IP multicast TTL to use +# when sending an ICP queries to this address. +# Only useful when sending to a multicast group. +# Because we don't accept ICP replies from random +# hosts, you must configure other group members as +# peers with the 'multicast-responder' option below. +# +# use 'no-query' to NOT send ICP queries to this +# neighbor. +# +# use 'default' if this is a parent cache which can +# be used as a "last-resort" if a peer cannot be located +# by any of the peer-selection mechanisms. +# If specified more than once, only the first is used. +# +# use 'round-robin' to define a set of parents which +# should be used in a round-robin fashion in the +# absence of any ICP queries. +# +# use 'carp' to define a set of parents which should +# be used as a CARP array. The requests will be +# distributed among the parents based on the CARP load +# balancing hash function based on their weight. +# +# 'multicast-responder' indicates the named peer +# is a member of a multicast group. ICP queries will +# not be sent directly to the peer, but ICP replies +# will be accepted from it. +# +# the 'multicast-siblings' option is meant to be used +# only for cache peers of type "multicast". It instructs +# Squid that ALL members of this multicast group have +# "sibling" relationship with it, not "parent". This is +# an optimization that avoids useless multicast queries +# to a multicast group when the requested object would +# be fetched only from a "parent" cache, anyway. It's +# useful, e.g., when configuring a pool of redundant +# Squid proxies, being members of the same +# multicast group. +# +# 'closest-only' indicates that, for ICP_OP_MISS +# replies, we'll only forward CLOSEST_PARENT_MISSes +# and never FIRST_PARENT_MISSes. +# +# use 'no-digest' to NOT request cache digests from +# this neighbor. +# +# 'no-netdb-exchange' disables requesting ICMP +# RTT database (NetDB) from the neighbor. +# +# use 'no-delay' to prevent access to this neighbor +# from influencing the delay pools. +# +# use 'login=user:password' if this is a personal/workgroup +# proxy and your parent requires proxy authentication. +# Note: The string can include URL escapes (i.e. %20 for +# spaces). This also means % must be written as %%. +# +# use 'login=PASS' if users must authenticate against +# the upstream proxy or in the case of a reverse proxy +# configuration, the origin web server. This will pass +# the users credentials as they are to the peer. +# Note: To combine this with local authentication the Basic +# authentication scheme must be used, and both servers must +# share the same user database as HTTP only allows for +# a single login (one for proxy, one for origin server). +# Also be warned this will expose your users proxy +# password to the peer. USE WITH CAUTION +# +# use 'login=*:password' to pass the username to the +# upstream cache, but with a fixed password. This is meant +# to be used when the peer is in another administrative +# domain, but it is still needed to identify each user. +# The star can optionally be followed by some extra +# information which is added to the username. This can +# be used to identify this proxy to the peer, similar to +# the login=username:password option above. +# +# use 'connect-timeout=nn' to specify a peer +# specific connect timeout (also see the +# peer_connect_timeout directive) +# +# use 'digest-url=url' to tell Squid to fetch the cache +# digest (if digests are enabled) for this host from +# the specified URL rather than the Squid default +# location. +# +# use 'allow-miss' to disable Squid's use of only-if-cached +# when forwarding requests to siblings. This is primarily +# useful when icp_hit_stale is used by the sibling. To +# extensive use of this option may result in forwarding +# loops, and you should avoid having two-way peerings +# with this option. (for example to deny peer usage on +# requests from peer by denying cache_peer_access if the +# source is a peer) +# +# use 'max-conn=n' to limit the amount of connections Squid +# may open to this peer. +# +# use 'htcp' to send HTCP, instead of ICP, queries +# to the neighbor. You probably also want to +# set the "icp port" to 4827 instead of 3130. +# You must also allow this Squid htcp_access and +# http_access in the peer Squid configuration. +# +# use 'htcp-oldsquid' to send HTCP to old Squid versions +# You must also allow this Squid htcp_access and +# http_access in the peer Squid configuration. +# +# 'originserver' causes this parent peer to be contacted as +# a origin server. Meant to be used in accelerator setups. +# +# use 'userhash' to load-balance amongst a set of parents +# based on the client proxy_auth or ident username. +# +# use 'sourcehash' to load-balance amongst a set of parents +# based on the client source ip. +# +# use 'name=xxx' if you have multiple peers on the same +# host but different ports. This name can be used to +# differentiate the peers in cache_peer_access and similar +# directives. +# +# use 'monitorurl=url' to have periodically request a given +# URL from the peer, and only consider the peer as alive +# if this monitoring is successful (default none) +# +# use 'monitorsize=min[-max]' to limit the size range of +# 'monitorurl' replies considered valid. Defaults to 0 to +# accept any size replies as valid. +# +# use 'monitorinterval=seconds' to change frequency of +# how often the peer is monitored with 'monitorurl' +# (default 300 for a 5 minute interval). If set to 0 +# then monitoring is disabled even if a URL is defined. +# +# use 'monitortimeout=seconds' to change the timeout of +# 'monitorurl'. Defaults to 'monitorinterval'. +# +# use 'forceddomain=name' to forcibly set the Host header +# of requests forwarded to this peer. Useful in accelerator +# setups where the server (peer) expects a certain domain +# name and using redirectors to feed this domain name +# is not feasible. +# +# use 'ssl' to indicate connections to this peer should +# be SSL/TLS encrypted. +# +# use 'sslcert=/path/to/ssl/certificate' to specify a client +# SSL certificate to use when connecting to this peer. +# +# use 'sslkey=/path/to/ssl/key' to specify the private SSL +# key corresponding to sslcert above. If 'sslkey' is not +# specified 'sslcert' is assumed to reference a +# combined file containing both the certificate and the key. +# +# use sslversion=1|2|3|4 to specify the SSL version to use +# when connecting to this peer +# 1 = automatic (default) +# 2 = SSL v2 only +# 3 = SSL v3 only +# 4 = TLS v1 only +# +# use sslcipher=... to specify the list of valid SSL ciphers +# to use when connecting to this peer. +# +# use ssloptions=... to specify various SSL engine options: +# NO_SSLv2 Disallow the use of SSLv2 +# NO_SSLv3 Disallow the use of SSLv3 +# NO_TLSv1 Disallow the use of TLSv1 +# See src/ssl_support.c or the OpenSSL documentation for +# a more complete list. +# +# use sslcafile=... to specify a file containing +# additional CA certificates to use when verifying the +# peer certificate. +# +# use sslcapath=... to specify a directory containing +# additional CA certificates to use when verifying the +# peer certificate. +# +# use sslcrlfile=... to specify a certificate revocation +# list file to use when verifying the peer certificate. +# +# use sslflags=... to specify various flags modifying the +# SSL implementation: +# DONT_VERIFY_PEER +# Accept certificates even if they fail to +# verify. +# NO_DEFAULT_CA +# Don't use the default CA list built in +# to OpenSSL. +# +# use ssldomain= to specify the peer name as advertised +# in it's certificate. Used for verifying the correctness +# of the received peer certificate. If not specified the +# peer hostname will be used. +# +# use front-end-https to enable the "Front-End-Https: On" +# header needed when using Squid as a SSL frontend in front +# of Microsoft OWA. See MS KB document Q307347 for details +# on this header. If set to auto the header will +# only be added if the request is forwarded as a https:// +# URL. +# +# use connection-auth=off to tell Squid that this peer does +# not support Microsoft connection oriented authentication, +# and any such challenges received from there should be +# ignored. Default is auto to automatically determine the +# status of the peer. +# +# use idle=n to specify a minimum number of idle connections +# that should be kept open to this peer. +# +# use http11 to send requests using HTTP/1.1 to this peer. +# Note: The HTTP/1.1 support is still incomplete, with an +# internal HTTP/1.0 hop. As result 1xx responses will not +# be forwarded. +# +#Default: +# none + +# TAG: cache_peer_domain +# Use to limit the domains for which a neighbor cache will be +# queried. Usage: +# +# cache_peer_domain cache-host domain [domain ...] +# cache_peer_domain cache-host !domain +# +# For example, specifying +# +# cache_peer_domain parent.foo.net .edu +# +# has the effect such that UDP query packets are sent to +# 'bigserver' only when the requested object exists on a +# server in the .edu domain. Prefixing the domain name +# with '!' means the cache will be queried for objects +# NOT in that domain. +# +# NOTE: * Any number of domains may be given for a cache-host, +# either on the same or separate lines. +# * When multiple domains are given for a particular +# cache-host, the first matched domain is applied. +# * Cache hosts with no domain restrictions are queried +# for all requests. +# * There are no defaults. +# * There is also a 'cache_peer_access' tag in the ACL +# section. +# +#Default: +# none + +# TAG: cache_peer_access +# Similar to 'cache_peer_domain' but provides more flexibility by +# using ACL elements. +# +# cache_peer_access cache-host allow|deny [!]aclname ... +# +# The syntax is identical to 'http_access' and the other lists of +# ACL elements. See the comments for 'http_access' below, or +# the Squid FAQ (http://www.squid-cache.org/FAQ/FAQ-10.html). +# +#Default: +# none + +# TAG: neighbor_type_domain +# usage: neighbor_type_domain neighbor parent|sibling domain domain ... +# +# Modifying the neighbor type for specific domains is now +# possible. You can treat some domains differently than the the +# default neighbor type specified on the 'cache_peer' line. +# Normally it should only be necessary to list domains which +# should be treated differently because the default neighbor type +# applies for hostnames which do not match domains listed here. +# +#EXAMPLE: +# cache_peer cache.foo.org parent 3128 3130 +# neighbor_type_domain cache.foo.org sibling .com .net +# neighbor_type_domain cache.foo.org sibling .au .de +# +#Default: +# none + +# TAG: dead_peer_timeout (seconds) +# This controls how long Squid waits to declare a peer cache +# as "dead." If there are no ICP replies received in this +# amount of time, Squid will declare the peer dead and not +# expect to receive any further ICP replies. However, it +# continues to send ICP queries, and will mark the peer as +# alive upon receipt of the first subsequent ICP reply. +# +# This timeout also affects when Squid expects to receive ICP +# replies from peers. If more than 'dead_peer' seconds have +# passed since the last ICP reply was received, Squid will not +# expect to receive an ICP reply on the next query. Thus, if +# your time between requests is greater than this timeout, you +# will see a lot of requests sent DIRECT to origin servers +# instead of to your parents. +# +#Default: +# dead_peer_timeout 10 seconds + +# TAG: hierarchy_stoplist +# A list of words which, if found in a URL, cause the object to +# be handled directly by this cache. In other words, use this +# to not query neighbor caches for certain objects. You may +# list this option multiple times. Note: never_direct overrides +# this option. +#We recommend you to use at least the following line. +hierarchy_stoplist cgi-bin ? + + +# MEMORY CACHE OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: cache_mem (bytes) +# NOTE: THIS PARAMETER DOES NOT SPECIFY THE MAXIMUM PROCESS SIZE. +# IT ONLY PLACES A LIMIT ON HOW MUCH ADDITIONAL MEMORY SQUID WILL +# USE AS A MEMORY CACHE OF OBJECTS. SQUID USES MEMORY FOR OTHER +# THINGS AS WELL. SEE THE SQUID FAQ SECTION 8 FOR DETAILS. +# +# 'cache_mem' specifies the ideal amount of memory to be used +# for: +# * In-Transit objects +# * Hot Objects +# * Negative-Cached objects +# +# Data for these objects are stored in 4 KB blocks. This +# parameter specifies the ideal upper limit on the total size of +# 4 KB blocks allocated. In-Transit objects take the highest +# priority. +# +# In-transit objects have priority over the others. When +# additional space is needed for incoming data, negative-cached +# and hot objects will be released. In other words, the +# negative-cached and hot objects will fill up any unused space +# not needed for in-transit objects. +# +# If circumstances require, this limit will be exceeded. +# Specifically, if your incoming request rate requires more than +# 'cache_mem' of memory to hold in-transit objects, Squid will +# exceed this limit to satisfy the new requests. When the load +# decreases, blocks will be freed until the high-water mark is +# reached. Thereafter, blocks will be used to store hot +# objects. +# +#Default: +# cache_mem 8 MB + +# TAG: maximum_object_size_in_memory (bytes) +# Objects greater than this size will not be attempted to kept in +# the memory cache. This should be set high enough to keep objects +# accessed frequently in memory to improve performance whilst low +# enough to keep larger objects from hoarding cache_mem. +# +#Default: +# maximum_object_size_in_memory 8 KB + +# TAG: memory_replacement_policy +# The memory replacement policy parameter determines which +# objects are purged from memory when memory space is needed. +# +# See cache_replacement_policy for details. +# +#Default: +# memory_replacement_policy lru + + +# DISK CACHE OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: cache_replacement_policy +# The cache replacement policy parameter determines which +# objects are evicted (replaced) when disk space is needed. +# +# lru : Squid's original list based LRU policy +# heap GDSF : Greedy-Dual Size Frequency +# heap LFUDA: Least Frequently Used with Dynamic Aging +# heap LRU : LRU policy implemented using a heap +# +# Applies to any cache_dir lines listed below this. +# +# The LRU policies keeps recently referenced objects. +# +# The heap GDSF policy optimizes object hit rate by keeping smaller +# popular objects in cache so it has a better chance of getting a +# hit. It achieves a lower byte hit rate than LFUDA though since +# it evicts larger (possibly popular) objects. +# +# The heap LFUDA policy keeps popular objects in cache regardless of +# their size and thus optimizes byte hit rate at the expense of +# hit rate since one large, popular object will prevent many +# smaller, slightly less popular objects from being cached. +# +# Both policies utilize a dynamic aging mechanism that prevents +# cache pollution that can otherwise occur with frequency-based +# replacement policies. +# +# NOTE: if using the LFUDA replacement policy you should increase +# the value of maximum_object_size above its default of 4096 KB to +# to maximize the potential byte hit rate improvement of LFUDA. +# +# For more information about the GDSF and LFUDA cache replacement +# policies see http://www.hpl.hp.com/techreports/1999/HPL-1999-69.html +# and http://fog.hpl.external.hp.com/techreports/98/HPL-98-173.html. +# +#Default: +# cache_replacement_policy lru + +# TAG: cache_dir +# Usage: +# +# cache_dir Type Directory-Name Fs-specific-data [options] +# +# You can specify multiple cache_dir lines to spread the +# cache among different disk partitions. +# +# Type specifies the kind of storage system to use. Only "ufs" +# is built by default. To enable any of the other storage systems +# see the --enable-storeio configure option. +# +# 'Directory' is a top-level directory where cache swap +# files will be stored. If you want to use an entire disk +# for caching, this can be the mount-point directory. +# The directory must exist and be writable by the Squid +# process. Squid will NOT create this directory for you. +# Only using COSS, a raw disk device or a stripe file can +# be specified, but the configuration of the "cache_swap_log" +# tag is mandatory. +# +# The ufs store type: +# +# "ufs" is the old well-known Squid storage format that has always +# been there. +# +# cache_dir ufs Directory-Name Mbytes L1 L2 [options] +# +# 'Mbytes' is the amount of disk space (MB) to use under this +# directory. The default is 100 MB. Change this to suit your +# configuration. Do NOT put the size of your disk drive here. +# Instead, if you want Squid to use the entire disk drive, +# subtract 20% and use that value. +# +# 'Level-1' is the number of first-level subdirectories which +# will be created under the 'Directory'. The default is 16. +# +# 'Level-2' is the number of second-level subdirectories which +# will be created under each first-level directory. The default +# is 256. +# +# The aufs store type: +# +# "aufs" uses the same storage format as "ufs", utilizing +# POSIX-threads to avoid blocking the main Squid process on +# disk-I/O. This was formerly known in Squid as async-io. +# +# cache_dir aufs Directory-Name Mbytes L1 L2 [options] +# +# see argument descriptions under ufs above +# +# The diskd store type: +# +# "diskd" uses the same storage format as "ufs", utilizing a +# separate process to avoid blocking the main Squid process on +# disk-I/O. +# +# cache_dir diskd Directory-Name Mbytes L1 L2 [options] [Q1=n] [Q2=n] +# +# see argument descriptions under ufs above +# +# Q1 specifies the number of unacknowledged I/O requests when Squid +# stops opening new files. If this many messages are in the queues, +# Squid won't open new files. Default is 64 +# +# Q2 specifies the number of unacknowledged messages when Squid +# starts blocking. If this many messages are in the queues, +# Squid blocks until it receives some replies. Default is 72 +# +# When Q1 < Q2 (the default), the cache directory is optimized +# for lower response time at the expense of a decrease in hit +# ratio. If Q1 > Q2, the cache directory is optimized for +# higher hit ratio at the expense of an increase in response +# time. +# +# The coss store type: +# +# block-size=n defines the "block size" for COSS cache_dir's. +# Squid uses file numbers as block numbers. Since file numbers +# are limited to 24 bits, the block size determines the maximum +# size of the COSS partition. The default is 512 bytes, which +# leads to a maximum cache_dir size of 512<<24, or 8 GB. Note +# you should not change the COSS block size after Squid +# has written some objects to the cache_dir. +# +# overwrite-percent=n defines the percentage of disk that COSS +# must write to before a given object will be moved to the +# current stripe. A value of "n" closer to 100 will cause COSS +# to waste less disk space by having multiple copies of an object +# on disk, but will increase the chances of overwriting a popular +# object as COSS overwrites stripes. A value of "n" close to 0 +# will cause COSS to keep all current objects in the current COSS +# stripe at the expense of the hit rate. The default value of 50 +# will allow any given object to be stored on disk a maximum of +# 2 times. +# +# max-stripe-waste=n defines the maximum amount of space that COSS +# will waste in a given stripe (in bytes). When COSS writes data +# to disk, it will potentially waste up to "max-size" worth of disk +# space for each 1MB of data written. If "max-size" is set to a +# large value (ie >256k), this could potentially result in large +# amounts of wasted disk space. Setting this value to a lower value +# (ie 64k or 32k) will result in a COSS disk refusing to cache +# larger objects until the COSS stripe has been filled to within +# "max-stripe-waste" of the maximum size (1MB). +# +# membufs=n defines the number of "memory-only" stripes that COSS +# will use. When an cache hit is performed on a COSS stripe before +# COSS has reached the overwrite-percent value for that object, +# COSS will use a series of memory buffers to hold the object in +# while the data is sent to the client. This will define the maximum +# number of memory-only buffers that COSS will use. The default value +# is 10, which will use a maximum of 10MB of memory for buffers. +# +# maxfullbufs=n defines the maximum number of stripes a COSS partition +# will have in memory waiting to be freed (either because the disk is +# under load and the stripe is unwritten, or because clients are still +# transferring data from objects using the memory). In order to try +# and maintain a good hit rate under load, COSS will reserve the last +# 2 full stripes for object hits. (ie a COSS cache_dir will reject +# new objects when the number of full stripes is 2 less than maxfullbufs) +# +# The null store type: +# +# no options are allowed or required +# +# Common options: +# +# no-store, no new objects should be stored to this cache_dir +# +# min-size=n, refers to the min object size this storedir will accept. +# It's used to restrict a storedir to only store large objects +# (e.g. aufs) while other storedirs are optimized for smaller objects +# (e.g. COSS). Defaults to 0. +# +# max-size=n, refers to the max object size this storedir supports. +# It is used to initially choose the storedir to dump the object. +# Note: To make optimal use of the max-size limits you should order +# the cache_dir lines with the smallest max-size value first and the +# ones with no max-size specification last. +# +# Note that for coss, max-size must be less than COSS_MEMBUF_SZ +# (hard coded at 1 MB). +# +#Default: +cache_dir ufs /var/spool/squid 100 16 10240 + +# TAG: store_dir_select_algorithm +# Set this to 'round-robin' as an alternative. +# +#Default: +# store_dir_select_algorithm least-load + +# TAG: max_open_disk_fds +# To avoid having disk as the I/O bottleneck Squid can optionally +# bypass the on-disk cache if more than this amount of disk file +# descriptors are open. +# +# A value of 0 indicates no limit. +# +#Default: +# max_open_disk_fds 0 + +# TAG: minimum_object_size (bytes) +# Objects smaller than this size will NOT be saved on disk. The +# value is specified in kilobytes, and the default is 0 KB, which +# means there is no minimum. +# +#Default: +# minimum_object_size 0 KB + +# TAG: maximum_object_size (bytes) +# Objects larger than this size will NOT be saved on disk. The +# value is specified in kilobytes, and the default is 4MB. If +# you wish to get a high BYTES hit ratio, you should probably +# increase this (one 32 MB object hit counts for 3200 10KB +# hits). If you wish to increase speed more than your want to +# save bandwidth you should leave this low. +# +# NOTE: if using the LFUDA replacement policy you should increase +# this value to maximize the byte hit rate improvement of LFUDA! +# See replacement_policy below for a discussion of this policy. +# +# NOTE 2: In Debian the default is raised to 20MB allowing cache +# of Packages files in debian repositories. This makes squid a +# proper proxy for APT. +# +#Default: +# maximum_object_size 20480 KB + +# TAG: cache_swap_low (percent, 0-100) +# TAG: cache_swap_high (percent, 0-100) +# +# The low- and high-water marks for cache object replacement. +# Replacement begins when the swap (disk) usage is above the +# low-water mark and attempts to maintain utilization near the +# low-water mark. As swap utilization gets close to high-water +# mark object eviction becomes more aggressive. If utilization is +# close to the low-water mark less replacement is done each time. +# +# Defaults are 90% and 95%. If you have a large cache, 5% could be +# hundreds of MB. If this is the case you may wish to set these +# numbers closer together. +# +#Default: +# cache_swap_low 90 +# cache_swap_high 95 + +# TAG: update_headers on|off +# By default Squid updates stored HTTP headers when receiving +# a 304 response. Set this to off if you want to disable this +# for disk I/O performance reasons. Disabling this VIOLATES the +# HTTP standard, and could make you liable for problems which it +# causes. +# +#Default: +# update_headers on + + +# LOGFILE OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: logformat +# Usage: +# +# logformat <name> <format specification> +# +# Defines an access log format. +# +# The <format specification> is a string with embedded % format codes +# +# % format codes all follow the same basic structure where all but +# the formatcode is optional. Output strings are automatically escaped +# as required according to their context and the output format +# modifiers are usually not needed, but can be specified if an explicit +# output format is desired. +# +# % ["|[|'|#] [-] [[0]width] [{argument}] formatcode +# +# " output in quoted string format +# [ output in squid text log format as used by log_mime_hdrs +# # output in URL quoted format +# ' output as-is +# +# - left aligned +# width field width. If starting with 0 the +# output is zero padded +# {arg} argument such as header name etc +# +# Format codes: +# +# >a Client source IP address +# >A Client FQDN +# >p Client source port +# <A Server IP address or peer name +# la Local IP address (http_port) +# lp Local port number (http_port) +# oa Our outgoing IP address (tcp_outgoing_address) +# ts Seconds since epoch +# tu subsecond time (milliseconds) +# tl Local time. Optional strftime format argument +# default %d/%b/%Y:%H:%M:%S %z +# tg GMT time. Optional strftime format argument +# default %d/%b/%Y:%H:%M:%S %z +# tr Response time (milliseconds) +# >h Request header. Optional header name argument +# on the format header[:[separator]element] +# <h Reply header. Optional header name argument +# as for >h +# un User name +# ul User name from authentication +# ui User name from ident +# us User name from SSL +# ue User name from external acl helper +# Hs HTTP status code +# Ss Squid request status (TCP_MISS etc) +# Sh Squid hierarchy status (DEFAULT_PARENT etc) +# mt MIME content type +# rm Request method (GET/POST etc) +# ru Request URL +# rp Request URL-Path excluding hostname +# rv Request protocol version +# ea Log string returned by external acl +# <st Reply size including HTTP headers +# >st Request size including HTTP headers +# st Request+Reply size including HTTP headers +# sn Unique sequence number per log line entry +# % a literal % character +# +# The default formats available (which do not need re-defining) are: +# +#logformat squid %ts.%03tu %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt +#logformat squidmime %ts.%03tu %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt [%>h] [%<h] +#logformat common %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st %Ss:%Sh +#logformat combined %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh +# +#Default: +# none + +# TAG: access_log +# These files log client request activities. Has a line every HTTP or +# ICP request. The format is: +# access_log <filepath> [<logformat name> [acl acl ...]] +# access_log none [acl acl ...]] +# +# Will log to the specified file using the specified format (which +# must be defined in a logformat directive) those entries which match +# ALL the acl's specified (which must be defined in acl clauses). +# If no acl is specified, all requests will be logged to this file. +# +# To disable logging of a request use the filepath "none", in which case +# a logformat name should not be specified. +# +# To log the request via syslog specify a filepath of "syslog": +# +# access_log syslog[:facility.priority] [format [acl1 [acl2 ....]]] +# where facility could be any of: +# authpriv, daemon, local0 .. local7 or user. +# +# And priority could be any of: +# err, warning, notice, info, debug. +access_log /var/log/squid/access.log squid + +# TAG: log_access allow|deny acl acl... +# This options allows you to control which requests gets logged +# to access.log (see access_log directive). Requests denied for +# logging will also not be accounted for in performance counters. +# +#Default: +# none + +# TAG: logfile_daemon +# Specify the path to the logfile-writing daemon. This daemon is +# used to write the access and store logs, if configured. +# +#Default: +# logfile_daemon /usr/lib/squid/logfile-daemon + +# TAG: cache_log +# Cache logging file. This is where general information about +# your cache's behavior goes. You can increase the amount of data +# logged to this file with the "debug_options" tag below. +# +#Default: +# cache_log /var/log/squid/cache.log + +# TAG: cache_store_log +# Logs the activities of the storage manager. Shows which +# objects are ejected from the cache, and which objects are +# saved and for how long. To disable, enter "none". There are +# not really utilities to analyze this data, so you can safely +# disable it. +# +#Default: +# cache_store_log /var/log/squid/store.log + +# TAG: cache_swap_state +# Location for the cache "swap.state" file. This index file holds +# the metadata of objects saved on disk. It is used to rebuild +# the cache during startup. Normally this file resides in each +# 'cache_dir' directory, but you may specify an alternate +# pathname here. Note you must give a full filename, not just +# a directory. Since this is the index for the whole object +# list you CANNOT periodically rotate it! +# +# If %s can be used in the file name it will be replaced with a +# a representation of the cache_dir name where each / is replaced +# with '.'. This is needed to allow adding/removing cache_dir +# lines when cache_swap_log is being used. +# +# If have more than one 'cache_dir', and %s is not used in the name +# these swap logs will have names such as: +# +# cache_swap_log.00 +# cache_swap_log.01 +# cache_swap_log.02 +# +# The numbered extension (which is added automatically) +# corresponds to the order of the 'cache_dir' lines in this +# configuration file. If you change the order of the 'cache_dir' +# lines in this file, these index files will NOT correspond to +# the correct 'cache_dir' entry (unless you manually rename +# them). We recommend you do NOT use this option. It is +# better to keep these index files in each 'cache_dir' directory. +# +#Default: +# none + +# TAG: logfile_rotate +# Specifies the number of logfile rotations to make when you +# type 'squid -k rotate'. The default is 10, which will rotate +# with extensions 0 through 9. Setting logfile_rotate to 0 will +# disable the file name rotation, but the logfiles are still closed +# and re-opened. This will enable you to rename the logfiles +# yourself just before sending the rotate signal. +# +# Note, the 'squid -k rotate' command normally sends a USR1 +# signal to the running squid process. In certain situations +# (e.g. on Linux with Async I/O), USR1 is used for other +# purposes, so -k rotate uses another signal. It is best to get +# in the habit of using 'squid -k rotate' instead of 'kill -USR1 +# <pid>'. +# +# Note2, for Debian/Linux the default of logfile_rotate is +# zero, since it includes external logfile-rotation methods. +# +#Default: +# logfile_rotate 0 + +# TAG: emulate_httpd_log on|off +# The Cache can emulate the log file format which many 'httpd' +# programs use. To disable/enable this emulation, set +# emulate_httpd_log to 'off' or 'on'. The default +# is to use the native log format since it includes useful +# information Squid-specific log analyzers use. +# +#Default: +# emulate_httpd_log off + +# TAG: log_ip_on_direct on|off +# Log the destination IP address in the hierarchy log tag when going +# direct. Earlier Squid versions logged the hostname here. If you +# prefer the old way set this to off. +# +#Default: +# log_ip_on_direct on + +# TAG: mime_table +# Pathname to Squid's MIME table. You shouldn't need to change +# this, but the default file contains examples and formatting +# information if you do. +# +#Default: +# mime_table /usr/share/squid/mime.conf + +# TAG: log_mime_hdrs on|off +# The Cache can record both the request and the response MIME +# headers for each HTTP transaction. The headers are encoded +# safely and will appear as two bracketed fields at the end of +# the access log (for either the native or httpd-emulated log +# formats). To enable this logging set log_mime_hdrs to 'on'. +# +#Default: +# log_mime_hdrs off + +# TAG: useragent_log +# Squid will write the User-Agent field from HTTP requests +# to the filename specified here. By default useragent_log +# is disabled. +# +#Default: +# none + +# TAG: referer_log +# Squid will write the Referer field from HTTP requests to the +# filename specified here. By default referer_log is disabled. +# Note that "referer" is actually a misspelling of "referrer" +# however the misspelt version has been accepted into the HTTP RFCs +# and we accept both. +# +#Default: +# none + +# TAG: pid_filename +# A filename to write the process-id to. To disable, enter "none". +# +#Default: +# pid_filename /var/run/squid.pid + +# TAG: debug_options +# Logging options are set as section,level where each source file +# is assigned a unique section. Lower levels result in less +# output, Full debugging (level 9) can result in a very large +# log file, so be careful. The magic word "ALL" sets debugging +# levels for all sections. We recommend normally running with +# "ALL,1". +# +#Default: +# debug_options ALL,1 + +# TAG: log_fqdn on|off +# Turn this on if you wish to log fully qualified domain names +# in the access.log. To do this Squid does a DNS lookup of all +# IP's connecting to it. This can (in some situations) increase +# latency, which makes your cache seem slower for interactive +# browsing. +# +#Default: +# log_fqdn off + +# TAG: client_netmask +# A netmask for client addresses in logfiles and cachemgr output. +# Change this to protect the privacy of your cache clients. +# A netmask of 255.255.255.0 will log all IP's in that range with +# the last digit set to '0'. +# +#Default: +# client_netmask 255.255.255.255 + +# TAG: forward_log +# Note: This option is only available if Squid is rebuilt with the +# --enable-forward-log option +# +# Logs the server-side requests. +# +# This is currently work in progress. +# +#Default: +# none + +# TAG: strip_query_terms +# By default, Squid strips query terms from requested URLs before +# logging. This protects your user's privacy. +# +#Default: +# strip_query_terms on + +# TAG: buffered_logs on|off +# cache.log log file is written with stdio functions, and as such +# it can be buffered or unbuffered. By default it will be unbuffered. +# Buffering it can speed up the writing slightly (though you are +# unlikely to need to worry unless you run with tons of debugging +# enabled in which case performance will suffer badly anyway..). +# +#Default: +# buffered_logs off + +# TAG: netdb_filename +# A filename where Squid stores it's netdb state between restarts. +# To disable, enter "none". +# +#Default: +# netdb_filename /var/spool/squid/logs/netdb.state + + +# OPTIONS FOR FTP GATEWAYING +# ----------------------------------------------------------------------------- + +# TAG: ftp_user +# If you want the anonymous login password to be more informative +# (and enable the use of picky ftp servers), set this to something +# reasonable for your domain, like wwwuser@somewhere.net +# +# The reason why this is domainless by default is the +# request can be made on the behalf of a user in any domain, +# depending on how the cache is used. +# Some ftp server also validate the email address is valid +# (for example perl.com). +# +#Default: +# ftp_user Squid@ + +# TAG: ftp_list_width +# Sets the width of ftp listings. This should be set to fit in +# the width of a standard browser. Setting this too small +# can cut off long filenames when browsing ftp sites. +# +#Default: +# ftp_list_width 32 + +# TAG: ftp_passive +# If your firewall does not allow Squid to use passive +# connections, turn off this option. +# +#Default: +# ftp_passive on + +# TAG: ftp_sanitycheck +# For security and data integrity reasons Squid by default performs +# sanity checks of the addresses of FTP data connections ensure the +# data connection is to the requested server. If you need to allow +# FTP connections to servers using another IP address for the data +# connection turn this off. +# +#Default: +# ftp_sanitycheck on + +# TAG: ftp_telnet_protocol +# The FTP protocol is officially defined to use the telnet protocol +# as transport channel for the control connection. However, many +# implementations are broken and does not respect this aspect of +# the FTP protocol. +# +# If you have trouble accessing files with ASCII code 255 in the +# path or similar problems involving this ASCII code you can +# try setting this directive to off. If that helps, report to the +# operator of the FTP server in question that their FTP server +# is broken and does not follow the FTP standard. +# +#Default: +# ftp_telnet_protocol on + + +# OPTIONS FOR EXTERNAL SUPPORT PROGRAMS +# ----------------------------------------------------------------------------- + +# TAG: diskd_program +# Specify the location of the diskd executable. +# Note this is only useful if you have compiled in +# diskd as one of the store io modules. +# +#Default: +# diskd_program /usr/lib/squid/diskd-daemon + +# TAG: unlinkd_program +# Specify the location of the executable for file deletion process. +# +#Default: +# unlinkd_program /usr/lib/squid/unlinkd + +# TAG: pinger_program +# Note: This option is only available if Squid is rebuilt with the +# --enable-icmp option +# +# Specify the location of the executable for the pinger process. +# +#Default: +# pinger_program /usr/lib/squid/pinger + + +# OPTIONS FOR URL REWRITING +# ----------------------------------------------------------------------------- + +# TAG: storeurl_rewrite_program +# Specify the location of the executable for the Store URL rewriter. +# The Store URL rewriter allows URLs to be "normalised" ; mapping +# multiple URLs to a single URL representation for cache operations. +# +# For example, if you request an object at: +# +# http://srv1.example.com/image.gif +# +# and a subsequent request for: +# +# http://srv2.example.com/image.gif +# +# then Squid will treat these both as different URLs and cache them +# seperately. +# +# This is almost the normal case, but an increasing number of sites +# distribute the same content between multiple frontend hosts. +# The Store URL rewriter allows you to rewrite these URLs to one URL +# to use for cache operations, but not -fetches-. Fetches are still +# made from the original site, but stored with the store URL rewritten +# URL as the store key. +# +# For each requested URL rewriter will receive on line with the format +# +# URL <SP> client_ip "/" fqdn <SP> user <SP> method <SP> urlgroup +# [<SP> kvpairs] <NL> +# +# In the future, the rewriter interface will be extended with +# key=value pairs ("kvpairs" shown above). Rewriter programs +# should be prepared to receive and possibly ignore additional +# whitespace-separated tokens on each input line. +# +# And the rewriter may return a rewritten URL. The other components of +# the request line does not need to be returned (ignored if they are). +# +# By default, a Store URL rewriter is not used. +# +# Please note - the normal URL rewriter rewrites Squid's _destination_ +# URL - ie, what it fetches. The Store URL rewriter rewrites Squid's +# _store_ URL - ie, what it uses to store and retrieve objects. +# +#Default: +# none + +# TAG: storeurl_rewrite_children +# +# +#Default: +# storeurl_rewrite_children 5 + +# TAG: storeurl_rewrite_concurrency +# +# +#Default: +# storeurl_rewrite_concurrency 0 + +# TAG: url_rewrite_program +# Specify the location of the executable for the URL rewriter. +# Since they can perform almost any function there isn't one included. +# +# For each requested URL rewriter will receive on line with the format +# +# URL <SP> client_ip "/" fqdn <SP> user <SP> method <SP> urlgroup +# [<SP> kvpairs] <NL> +# +# In the future, the rewriter interface will be extended with +# key=value pairs ("kvpairs" shown above). Rewriter programs +# should be prepared to receive and possibly ignore additional +# whitespace-separated tokens on each input line. +# +# And the rewriter may return a rewritten URL. The other components of +# the request line does not need to be returned (ignored if they are). +# +# The rewriter can also indicate that a client-side redirect should +# be performed to the new URL. This is done by prefixing the returned +# URL with "301:" (moved permanently) or 302: (moved temporarily). +# +# It can also return a "urlgroup" that can subsequently be matched +# in cache_peer_access and similar ACL driven rules. An urlgroup is +# returned by prefixing the returned URL with "!urlgroup!". +# +# By default, a URL rewriter is not used. +# +#Default: +# none + +# TAG: url_rewrite_children +# The number of redirector processes to spawn. If you start +# too few Squid will have to wait for them to process a backlog of +# URLs, slowing it down. If you start too many they will use RAM +# and other system resources. +# +#Default: +# url_rewrite_children 5 + +# TAG: url_rewrite_concurrency +# The number of requests each redirector helper can handle in +# parallel. Defaults to 0 which indicates the redirector +# is a old-style single threaded redirector. +# +# When this directive is set to a value >= 1 then the protocol +# used to communicate with the helper is modified to include +# a request ID in front of the request/response. The request +# ID from the request must be echoed back with the response +# to that request. +# +#Default: +# url_rewrite_concurrency 0 + +# TAG: url_rewrite_host_header +# By default Squid rewrites any Host: header in redirected +# requests. If you are running an accelerator this may +# not be a wanted effect of a redirector. +# +# WARNING: Entries are cached on the result of the URL rewriting +# process, so be careful if you have domain-virtual hosts. +# +#Default: +# url_rewrite_host_header on + +# TAG: url_rewrite_access +# If defined, this access list specifies which requests are +# sent to the redirector processes. By default all requests +# are sent. +# +#Default: +# none + +# TAG: storeurl_access +# +# +#Default: +# none + +# TAG: redirector_bypass +# When this is 'on', a request will not go through the +# redirector if all redirectors are busy. If this is 'off' +# and the redirector queue grows too large, Squid will exit +# with a FATAL error and ask you to increase the number of +# redirectors. You should only enable this if the redirectors +# are not critical to your caching system. If you use +# redirectors for access control, and you enable this option, +# users may have access to pages they should not +# be allowed to request. +# +#Default: +# redirector_bypass off + +# TAG: location_rewrite_program +# Specify the location of the executable for the Location rewriter, +# used to rewrite server generated redirects. Usually used in +# conjunction with a url_rewrite_program +# +# For each Location header received the location rewriter will receive +# one line with the format: +# +# location URL <SP> requested URL <SP> urlgroup <NL> +# +# And the rewriter may return a rewritten Location URL or a blank line. +# The other components of the request line does not need to be returned +# (ignored if they are). +# +# By default, a Location rewriter is not used. +# +#Default: +# none + +# TAG: location_rewrite_children +# The number of location rewriting processes to spawn. If you start +# too few Squid will have to wait for them to process a backlog of +# URLs, slowing it down. If you start too many they will use RAM +# and other system resources. +# +#Default: +# location_rewrite_children 5 + +# TAG: location_rewrite_concurrency +# The number of requests each Location rewriter helper can handle in +# parallel. Defaults to 0 which indicates that the helper +# is a old-style singlethreaded helper. +# +#Default: +# location_rewrite_concurrency 0 + +# TAG: location_rewrite_access +# If defined, this access list specifies which requests are +# sent to the location rewriting processes. By default all Location +# headers are sent. +# +#Default: +# none + + +# OPTIONS FOR TUNING THE CACHE +# ----------------------------------------------------------------------------- + +# TAG: cache +# A list of ACL elements which, if matched, cause the request to +# not be satisfied from the cache and the reply to not be cached. +# In other words, use this to force certain objects to never be cached. +# +# You must use the word 'DENY' to indicate the ACL names which should +# NOT be cached. +# +# Default is to allow all to be cached. +# +#Default: +# none + +# TAG: max_stale time-units +# This option puts an upper limit on how stale content Squid +# will serve from the cache if cache validation fails. +# +#Default: +# max_stale 1 week + +# TAG: refresh_pattern +# usage: refresh_pattern [-i] regex min percent max [options] +# +# By default, regular expressions are CASE-SENSITIVE. To make +# them case-insensitive, use the -i option. +# +# 'Min' is the time (in minutes) an object without an explicit +# expiry time should be considered fresh. The recommended +# value is 0, any higher values may cause dynamic applications +# to be erroneously cached unless the application designer +# has taken the appropriate actions. +# +# 'Percent' is a percentage of the objects age (time since last +# modification age) an object without explicit expiry time +# will be considered fresh. +# +# 'Max' is an upper limit on how long objects without an explicit +# expiry time will be considered fresh. +# +# options: override-expire +# override-lastmod +# reload-into-ims +# ignore-reload +# ignore-no-cache +# ignore-private +# ignore-auth +# stale-while-revalidate=NN +# ignore-stale-while-revalidate +# max-stale=NN +# negative-ttl=NN +# +# override-expire enforces min age even if the server +# sent an explicit expiry time (e.g., with the +# Expires: header or Cache-Control: max-age). Doing this +# VIOLATES the HTTP standard. Enabling this feature +# could make you liable for problems which it causes. +# +# Note: this does not enforce staleness - it only extends +# freshness / min. If the server returns a Expires time which +# is longer than your max time, Squid will still consider +# the object fresh for that period of time. +# +# override-lastmod enforces min age even on objects +# that were modified recently. +# +# reload-into-ims changes client no-cache or ``reload'' +# to If-Modified-Since requests. Doing this VIOLATES the +# HTTP standard. Enabling this feature could make you +# liable for problems which it causes. +# +# ignore-reload ignores a client no-cache or ``reload'' +# header. Doing this VIOLATES the HTTP standard. Enabling +# this feature could make you liable for problems which +# it causes. +# +# ignore-no-cache ignores any ``Pragma: no-cache'' and +# ``Cache-control: no-cache'' headers received from a server. +# The HTTP RFC never allows the use of this (Pragma) header +# from a server, only a client, though plenty of servers +# send it anyway. +# +# ignore-private ignores any ``Cache-control: private'' +# headers received from a server. Doing this VIOLATES +# the HTTP standard. Enabling this feature could make you +# liable for problems which it causes. +# +# ignore-auth caches responses to requests with authorization, +# as if the originserver had sent ``Cache-control: public'' +# in the response header. Doing this VIOLATES the HTTP standard. +# Enabling this feature could make you liable for problems which +# it causes. +# +# stale-while-revalidate=NN makes Squid perform an asyncronous +# cache validation if the object isn't more stale than NN. +# Doing this VIOLATES the HTTP standard. Enabling this +# feature could make you liable for problems which it +# causes. +# +# ignore-stale-while-revalidate makes Squid ignore any 'Cache-Control: +# stale-while-revalidate=NN' headers received from a server. Can be +# combined with stale-while-revalidate=NN to override the server provided +# value. +# +# max-stale=NN provided a maximum staleness factor. Squid won't +# serve objects more stale than this even if it failed to +# validate the object. +# +# negative-ttl=NN overrides the global negative_ttl parameter +# selectively for URLs matching this pattern (in seconds). +# +# Basically a cached object is: +# +# FRESH if expires < now, else STALE +# STALE if age > max +# FRESH if lm-factor < percent, else STALE +# FRESH if age < min +# else STALE +# +# The refresh_pattern lines are checked in the order listed here. +# The first entry which matches is used. If none of the entries +# match the default will be used. +# +# Note, you must uncomment all the default lines if you want +# to change one. The default setting is only active if none is +# used. +# +#Suggested default: +refresh_pattern ^ftp: 1440 20% 10080 +refresh_pattern ^gopher: 1440 0% 1440 +refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 +refresh_pattern (Release|Packages(.gz)*)$ 0 20% 2880 +refresh_pattern . 0 20% 4320 + +# TAG: quick_abort_min (KB) +# TAG: quick_abort_max (KB) +# TAG: quick_abort_pct (percent) +# The cache by default continues downloading aborted requests +# which are almost completed (less than 16 KB remaining). This +# may be undesirable on slow (e.g. SLIP) links and/or very busy +# caches. Impatient users may tie up file descriptors and +# bandwidth by repeatedly requesting and immediately aborting +# downloads. +# +# When the user aborts a request, Squid will check the +# quick_abort values to the amount of data transfered until +# then. +# +# If the transfer has less than 'quick_abort_min' KB remaining, +# it will finish the retrieval. +# +# If the transfer has more than 'quick_abort_max' KB remaining, +# it will abort the retrieval. +# +# If more than 'quick_abort_pct' of the transfer has completed, +# it will finish the retrieval. +# +# If you do not want any retrieval to continue after the client +# has aborted, set both 'quick_abort_min' and 'quick_abort_max' +# to '0 KB'. +# +# If you want retrievals to always continue if they are being +# cached set 'quick_abort_min' to '-1 KB'. +# +#Default: +# quick_abort_min 16 KB +# quick_abort_max 16 KB +# quick_abort_pct 95 + +# TAG: read_ahead_gap buffer-size +# The amount of data the cache will buffer ahead of what has been +# sent to the client when retrieving an object from another server. +# +#Default: +# read_ahead_gap 16 KB + +# TAG: negative_ttl time-units +# Time-to-Live (TTL) for failed requests. Certain types of +# failures (such as "connection refused" and "404 Not Found") are +# negatively-cached for a configurable amount of time. The +# default is 5 minutes. Note that this is different from +# negative caching of DNS lookups. +# +#Default: +# negative_ttl 5 minutes + +# TAG: positive_dns_ttl time-units +# Upper limit on how long Squid will cache positive DNS responses. +# Default is 6 hours (360 minutes). This directive must be set +# larger than negative_dns_ttl. +# +#Default: +# positive_dns_ttl 6 hours + +# TAG: negative_dns_ttl time-units +# Time-to-Live (TTL) for negative caching of failed DNS lookups. +# This also sets the lower cache limit on positive lookups. +# Minimum value is 1 second, and it is not recommendable to go +# much below 10 seconds. +# +#Default: +# negative_dns_ttl 1 minute + +# TAG: range_offset_limit (bytes) +# Sets a upper limit on how far into the the file a Range request +# may be to cause Squid to prefetch the whole file. If beyond this +# limit Squid forwards the Range request as it is and the result +# is NOT cached. +# +# This is to stop a far ahead range request (lets say start at 17MB) +# from making Squid fetch the whole object up to that point before +# sending anything to the client. +# +# A value of -1 causes Squid to always fetch the object from the +# beginning so it may cache the result. (2.0 style) +# +# A value of 0 causes Squid to never fetch more than the +# client requested. (default) +# +#Default: +# range_offset_limit 0 KB + +# TAG: minimum_expiry_time (seconds) +# The minimum caching time according to (Expires - Date) +# Headers Squid honors if the object can't be revalidated +# defaults to 60 seconds. In reverse proxy enorinments it +# might be desirable to honor shorter object lifetimes. It +# is most likely better to make your server return a +# meaningful Last-Modified header however. +# +#Default: +# minimum_expiry_time 60 seconds + +# TAG: store_avg_object_size (kbytes) +# Average object size, used to estimate number of objects your +# cache can hold. The default is 13 KB. +# +#Default: +# store_avg_object_size 13 KB + +# TAG: store_objects_per_bucket +# Target number of objects per bucket in the store hash table. +# Lowering this value increases the total number of buckets and +# also the storage maintenance rate. The default is 20. +# +#Default: +# store_objects_per_bucket 20 + + +# HTTP OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: request_header_max_size (KB) +# This specifies the maximum size for HTTP headers in a request. +# Request headers are usually relatively small (about 512 bytes). +# Placing a limit on the request header size will catch certain +# bugs (for example with persistent connections) and possibly +# buffer-overflow or denial-of-service attacks. +# +#Default: +# request_header_max_size 20 KB + +# TAG: reply_header_max_size (KB) +# This specifies the maximum size for HTTP headers in a reply. +# Reply headers are usually relatively small (about 512 bytes). +# Placing a limit on the reply header size will catch certain +# bugs (for example with persistent connections) and possibly +# buffer-overflow or denial-of-service attacks. +# +#Default: +# reply_header_max_size 20 KB + +# TAG: request_body_max_size (KB) +# This specifies the maximum size for an HTTP request body. +# In other words, the maximum size of a PUT/POST request. +# A user who attempts to send a request with a body larger +# than this limit receives an "Invalid Request" error message. +# If you set this parameter to a zero (the default), there will +# be no limit imposed. +# +#Default: +# request_body_max_size 0 KB + +# TAG: broken_posts +# A list of ACL elements which, if matched, causes Squid to send +# an extra CRLF pair after the body of a PUT/POST request. +# +# Some HTTP servers has broken implementations of PUT/POST, +# and rely on an extra CRLF pair sent by some WWW clients. +# +# Quote from RFC2616 section 4.1 on this matter: +# +# Note: certain buggy HTTP/1.0 client implementations generate an +# extra CRLF's after a POST request. To restate what is explicitly +# forbidden by the BNF, an HTTP/1.1 client must not preface or follow +# a request with an extra CRLF. +# +#Example: +# acl buggy_server url_regex ^http://.... +# broken_posts allow buggy_server +# +#Default: +# none + +# TAG: upgrade_http0.9 +# This access list controls when HTTP/0.9 responses is upgraded +# to our current HTTP version. The default is to always upgrade. +# +# Some applications expect to be able to respond with non-HTTP +# responses and clients gets confused if the response is upgraded. +# For example SHOUTcast servers used for mp3 streaming. +# +# To enable some flexibility in detection of such applications +# the first line of the response is available in the internal header +# X-HTTP09-First-Line for use in the rep_header acl. +# +# Don't upgrade ShoutCast responses to HTTP +acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9] +upgrade_http0.9 deny shoutcast + +# TAG: via on|off +# If set (default), Squid will include a Via header in requests and +# replies as required by RFC2616. +# +#Default: +# via on + +# TAG: cache_vary +# When 'cache_vary' is set to off, response that have a +# Vary header will not be stored in the cache. +# +#Default: +# cache_vary on + +# TAG: broken_vary_encoding +# Many servers have broken support for on-the-fly Content-Encoding, +# returning the same ETag on both plain and gzip:ed variants. +# Vary replies matching this access list will have the cache split +# on the Accept-Encoding header of the request and not trusting the +# ETag to be unique. +# +# Apache mod_gzip and mod_deflate known to be broken so don't trust +# Apache to signal ETag correctly on such responses +acl apache rep_header Server ^Apache +broken_vary_encoding allow apache + +# TAG: collapsed_forwarding (on|off) +# This option enables multiple requests for the same URI to be +# processed as one request. Normally disabled to avoid increased +# latency on dynamic content, but there can be benefit from enabling +# this in accelerator setups where the web servers are the bottleneck +# and reliable and returns mostly cacheable information. +# +#Default: +# collapsed_forwarding off + +# TAG: refresh_stale_hit (time) +# This option changes the refresh algorithm to allow concurrent +# requests while an object is being refreshed to be processed as +# cache hits if the object expired less than X seconds ago. Default +# is 0 to disable this feature. This option is mostly interesting +# in accelerator setups where a few objects is accessed very +# frequently. +# +#Default: +# refresh_stale_hit 0 seconds + +# TAG: ie_refresh on|off +# Microsoft Internet Explorer up until version 5.5 Service +# Pack 1 has an issue with transparent proxies, wherein it +# is impossible to force a refresh. Turning this on provides +# a partial fix to the problem, by causing all IMS-REFRESH +# requests from older IE versions to check the origin server +# for fresh content. This reduces hit ratio by some amount +# (~10% in my experience), but allows users to actually get +# fresh content when they want it. Note because Squid +# cannot tell if the user is using 5.5 or 5.5SP1, the behavior +# of 5.5 is unchanged from old versions of Squid (i.e. a +# forced refresh is impossible). Newer versions of IE will, +# hopefully, continue to have the new behavior and will be +# handled based on that assumption. This option defaults to +# the old Squid behavior, which is better for hit ratios but +# worse for clients using IE, if they need to be able to +# force fresh content. +# +#Default: +# ie_refresh off + +# TAG: vary_ignore_expire on|off +# Many HTTP servers supporting Vary gives such objects +# immediate expiry time with no cache-control header +# when requested by a HTTP/1.0 client. This option +# enables Squid to ignore such expiry times until +# HTTP/1.1 is fully implemented. +# WARNING: This may eventually cause some varying +# objects not intended for caching to get cached. +# +#Default: +# vary_ignore_expire off + +# TAG: extension_methods +# Squid only knows about standardized HTTP request methods. +# You can add up to 20 additional "extension" methods here. +extension_methods REPORT MERGE MKACTIVITY CHECKOUT + +# TAG: request_entities +# Squid defaults to deny GET and HEAD requests with request entities, +# as the meaning of such requests are undefined in the HTTP standard +# even if not explicitly forbidden. +# +# Set this directive to on if you have clients which insists +# on sending request entities in GET or HEAD requests. But be warned +# that there is server software (both proxies and web servers) which +# can fail to properly process this kind of request which may make you +# vulnerable to cache pollution attacks if enabled. +# +#Default: +# request_entities off + +# TAG: header_access +# Usage: header_access header_name allow|deny [!]aclname ... +# +# WARNING: Doing this VIOLATES the HTTP standard. Enabling +# this feature could make you liable for problems which it +# causes. +# +# This option replaces the old 'anonymize_headers' and the +# older 'http_anonymizer' option with something that is much +# more configurable. This new method creates a list of ACLs +# for each header, allowing you very fine-tuned header +# mangling. +# +# You can only specify known headers for the header name. +# Other headers are reclassified as 'Other'. You can also +# refer to all the headers with 'All'. +# +# For example, to achieve the same behavior as the old +# 'http_anonymizer standard' option, you should use: +# +# header_access From deny all +# header_access Referer deny all +# header_access Server deny all +# header_access User-Agent deny all +# header_access WWW-Authenticate deny all +# header_access Link deny all +# +# Or, to reproduce the old 'http_anonymizer paranoid' feature +# you should use: +# +# header_access Allow allow all +# header_access Authorization allow all +# header_access WWW-Authenticate allow all +# header_access Proxy-Authorization allow all +# header_access Proxy-Authenticate allow all +# header_access Cache-Control allow all +# header_access Content-Encoding allow all +# header_access Content-Length allow all +# header_access Content-Type allow all +# header_access Date allow all +# header_access Expires allow all +# header_access Host allow all +# header_access If-Modified-Since allow all +# header_access Last-Modified allow all +# header_access Location allow all +# header_access Pragma allow all +# header_access Accept allow all +# header_access Accept-Charset allow all +# header_access Accept-Encoding allow all +# header_access Accept-Language allow all +# header_access Content-Language allow all +# header_access Mime-Version allow all +# header_access Retry-After allow all +# header_access Title allow all +# header_access Connection allow all +# header_access Proxy-Connection allow all +# header_access All deny all +# +# By default, all headers are allowed (no anonymizing is +# performed). +# +#Default: +# none + +# TAG: header_replace +# Usage: header_replace header_name message +# Example: header_replace User-Agent Nutscrape/1.0 (CP/M; 8-bit) +# +# This option allows you to change the contents of headers +# denied with header_access above, by replacing them with +# some fixed string. This replaces the old fake_user_agent +# option. +# +# By default, headers are removed if denied. +# +#Default: +# none + +# TAG: relaxed_header_parser on|off|warn +# In the default "on" setting Squid accepts certain forms +# of non-compliant HTTP messages where it is unambiguous +# what the sending application intended even if the message +# is not correctly formatted. The messages is then normalized +# to the correct form when forwarded by Squid. +# +# If set to "warn" then a warning will be emitted in cache.log +# each time such HTTP error is encountered. +# +# If set to "off" then such HTTP errors will cause the request +# or response to be rejected. +# +#Default: +# relaxed_header_parser on + +# TAG: server_http11 on|off +# This option enables the use ot HTTP/1.1 on outgoing "direct" requests. +# See also the http11 cache_peer option. +# Note: The HTTP/1.1 support is still incomplete, with an +# internal HTTP/1.0 hop. As result 1xx responses will not +# be forwarded. +# +#Default: +# server_http11 off + +# TAG: ignore_expect_100 on|off +# This option makes Squid ignore any Expect: 100-continue header present +# in the request. +# Note: Enabling this is a HTTP protocol violation, but some client may +# not handle it well.. +# +#Default: +# ignore_expect_100 off + +# TAG: external_refresh_check +# This option defines an external helper for determining whether to +# refresh a stale response. It will be called when Squid receives a +# request for a cached response that is stale; the helper can either +# confirm that the response is stale with a STALE response, or +# extend the freshness of the response (thereby avoiding a refresh +# check) with a FRESH response, along with a freshness=nnn keyword. +# +# external_refresh_check [options] FORMAT.. /path/to/helper [helper_args] +# +# If present, helper_args will be passed to the helper on the command +# line verbatim. +# +# Options: +# +# children=n Number of processes to spawn to service external +# refresh checks (default 5). +# concurrency=n Concurrency level per process. Only used with +# helpers capable of processing more than one query +# at a time. +# +# When using the concurrency option, the protocol is changed by introducing +# a query channel tag infront of the request/response. The query channel +# tag is a number between 0 and concurrency-1. +# +# FORMAT specifications: +# +# %CACHE_URI The URI of the cached response +# %RES{Header} HTTP response header value +# %AGE The age of the cached response +# +# The request sent to the helper consists of the data in the format +# specification in the order specified. +# +# The helper receives lines per the above format specification, and +# returns lines starting with OK or ERR indicating the validity of +# the request and optionally followed by additional keywords with +# more details. URL escaping is used to protect each value in both +# requests and responses. +# +# General result syntax: +# +# FRESH / STALE keyword=value ... +# +# Defined keywords: +# +# freshness=nnn The number of seconds to extend the freshness of +# the response by. +# log=string String to be logged in access.log. Available as +# %ef in logformat specifications. +# res{Header}=value +# Value to update response headers with. If already +# present, the supplied value completely replaces +# the cached value. +# +# In the event of a helper-related error (e.g., overload), Squid +# will always default to STALE. +# +#Default: +# none + + +# TIMEOUTS +# ----------------------------------------------------------------------------- + +# TAG: forward_timeout time-units +# This parameter specifies how long Squid should at most attempt in +# finding a forwarding path for the request before giving up. +# +#Default: +# forward_timeout 4 minutes + +# TAG: connect_timeout time-units +# This parameter specifies how long to wait for the TCP connect to +# the requested server or peer to complete before Squid should +# attempt to find another path where to forward the request. +# +#Default: +# connect_timeout 1 minute + +# TAG: peer_connect_timeout time-units +# This parameter specifies how long to wait for a pending TCP +# connection to a peer cache. The default is 30 seconds. You +# may also set different timeout values for individual neighbors +# with the 'connect-timeout' option on a 'cache_peer' line. +# +#Default: +# peer_connect_timeout 30 seconds + +# TAG: read_timeout time-units +# The read_timeout is applied on server-side connections. After +# each successful read(), the timeout will be extended by this +# amount. If no data is read again after this amount of time, +# the request is aborted and logged with ERR_READ_TIMEOUT. The +# default is 15 minutes. +# +#Default: +# read_timeout 15 minutes + +# TAG: request_timeout +# How long to wait for an HTTP request after initial +# connection establishment. +# +#Default: +# request_timeout 5 minutes + +# TAG: persistent_request_timeout +# How long to wait for the next HTTP request on a persistent +# connection after the previous request completes. +# +#Default: +# persistent_request_timeout 2 minutes + +# TAG: client_lifetime time-units +# The maximum amount of time a client (browser) is allowed to +# remain connected to the cache process. This protects the Cache +# from having a lot of sockets (and hence file descriptors) tied up +# in a CLOSE_WAIT state from remote clients that go away without +# properly shutting down (either because of a network failure or +# because of a poor client implementation). The default is one +# day, 1440 minutes. +# +# NOTE: The default value is intended to be much larger than any +# client would ever need to be connected to your cache. You +# should probably change client_lifetime only as a last resort. +# If you seem to have many client connections tying up +# filedescriptors, we recommend first tuning the read_timeout, +# request_timeout, persistent_request_timeout and quick_abort values. +# +#Default: +# client_lifetime 1 day + +# TAG: half_closed_clients +# Some clients may shutdown the sending side of their TCP +# connections, while leaving their receiving sides open. Sometimes, +# Squid can not tell the difference between a half-closed and a +# fully-closed TCP connection. By default, half-closed client +# connections are kept open until a read(2) or write(2) on the +# socket returns an error. Change this option to 'off' and Squid +# will immediately close client connections when read(2) returns +# "no more data to read." +# +#Default: +# half_closed_clients on + +# TAG: pconn_timeout +# Timeout for idle persistent connections to servers and other +# proxies. +# +#Default: +# pconn_timeout 1 minute + +# TAG: ident_timeout +# Maximum time to wait for IDENT lookups to complete. +# +# If this is too high, and you enabled IDENT lookups from untrusted +# users, you might be susceptible to denial-of-service by having +# many ident requests going at once. +# +#Default: +# ident_timeout 10 seconds + +# TAG: shutdown_lifetime time-units +# When SIGTERM or SIGHUP is received, the cache is put into +# "shutdown pending" mode until all active sockets are closed. +# This value is the lifetime to set for all open descriptors +# during shutdown mode. Any active clients after this many +# seconds will receive a 'timeout' message. +# +#Default: +# shutdown_lifetime 30 seconds + + +# ADMINISTRATIVE PARAMETERS +# ----------------------------------------------------------------------------- + +# TAG: cache_mgr +# Email-address of local cache manager who will receive +# mail if the cache dies. The default is "webmaster". +# +#Default: +# cache_mgr webmaster + +# TAG: mail_from +# From: email-address for mail sent when the cache dies. +# The default is to use 'appname@unique_hostname'. +# Default appname value is "squid", can be changed into +# src/globals.h before building squid. +# +#Default: +# none + +# TAG: mail_program +# Email program used to send mail if the cache dies. +# The default is "mail". The specified program must comply +# with the standard Unix mail syntax: +# mail-program recipient < mailfile +# +# Optional command line options can be specified. +# +#Default: +# mail_program mail + +# TAG: cache_effective_user +# If you start Squid as root, it will change its effective/real +# UID/GID to the user specified below. The default is to change +# to UID to proxy. If you define cache_effective_user, but not +# cache_effective_group, Squid sets the GID to the effective +# user's default group ID (taken from the password file) and +# supplementary group list from the from groups membership of +# cache_effective_user. +# +#Default: +# cache_effective_user proxy + +# TAG: cache_effective_group +# If you want Squid to run with a specific GID regardless of +# the group memberships of the effective user then set this +# to the group (or GID) you want Squid to run as. When set +# all other group privileges of the effective user is ignored +# and only this GID is effective. If Squid is not started as +# root the user starting Squid must be member of the specified +# group. +# +#Default: +# none + +# TAG: httpd_suppress_version_string on|off +# Suppress Squid version string info in HTTP headers and HTML error pages. +# +#Default: +# httpd_suppress_version_string off + +# TAG: visible_hostname +# If you want to present a special hostname in error messages, etc, +# define this. Otherwise, the return value of gethostname() +# will be used. If you have multiple caches in a cluster and +# get errors about IP-forwarding you must set them to have individual +# names with this setting. +# +#Default: +# none + +# TAG: unique_hostname +# If you want to have multiple machines with the same +# 'visible_hostname' you must give each machine a different +# 'unique_hostname' so forwarding loops can be detected. +# +#Default: +# none + +# TAG: hostname_aliases +# A list of other DNS names your cache has. +# +#Default: +# none + +# TAG: umask +# Minimum umask which should be enforced while the proxy +# is running, in addition to the umask set at startup. +# +# Note: Should start with a 0 to indicate the normal octal +# representation of umasks +# +#Default: +# umask 027 + + +# OPTIONS FOR THE CACHE REGISTRATION SERVICE +# ----------------------------------------------------------------------------- +# +# This section contains parameters for the (optional) cache +# announcement service. This service is provided to help +# cache administrators locate one another in order to join or +# create cache hierarchies. +# +# An 'announcement' message is sent (via UDP) to the registration +# service by Squid. By default, the announcement message is NOT +# SENT unless you enable it with 'announce_period' below. +# +# The announcement message includes your hostname, plus the +# following information from this configuration file: +# +# http_port +# icp_port +# cache_mgr +# +# All current information is processed regularly and made +# available on the Web at http://www.ircache.net/Cache/Tracker/. + +# TAG: announce_period +# This is how frequently to send cache announcements. The +# default is `0' which disables sending the announcement +# messages. +# +# To enable announcing your cache, just uncomment the line +# below. +# +#Default: +# announce_period 0 +# +#To enable announcing your cache, just uncomment the line below. +#announce_period 1 day + +# TAG: announce_host +# TAG: announce_file +# TAG: announce_port +# announce_host and announce_port set the hostname and port +# number where the registration message will be sent. +# +# Hostname will default to 'tracker.ircache.net' and port will +# default default to 3131. If the 'filename' argument is given, +# the contents of that file will be included in the announce +# message. +# +#Default: +# announce_host tracker.ircache.net +# announce_port 3131 + + +# HTTPD-ACCELERATOR OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: httpd_accel_no_pmtu_disc on|off +# In many setups of transparently intercepting proxies Path-MTU +# discovery can not work on traffic towards the clients. This is +# the case when the intercepting device does not fully track +# connections and fails to forward ICMP must fragment messages +# to the cache server. +# +# If you have such setup and experience that certain clients +# sporadically hang or never complete requests set this to on. +# +#Default: +# httpd_accel_no_pmtu_disc off + + +# DELAY POOL PARAMETERS +# ----------------------------------------------------------------------------- + +# TAG: delay_pools +# This represents the number of delay pools to be used. For example, +# if you have one class 2 delay pool and one class 3 delays pool, you +# have a total of 2 delay pools. +# +#Default: +# delay_pools 0 + +# TAG: delay_class +# This defines the class of each delay pool. There must be exactly one +# delay_class line for each delay pool. For example, to define two +# delay pools, one of class 2 and one of class 3, the settings above +# and here would be: +# +#Example: +# delay_pools 2 # 2 delay pools +# delay_class 1 2 # pool 1 is a class 2 pool +# delay_class 2 3 # pool 2 is a class 3 pool +# +# The delay pool classes are: +# +# class 1 Everything is limited by a single aggregate +# bucket. +# +# class 2 Everything is limited by a single aggregate +# bucket as well as an "individual" bucket chosen +# from bits 25 through 32 of the IP address. +# +# class 3 Everything is limited by a single aggregate +# bucket as well as a "network" bucket chosen +# from bits 17 through 24 of the IP address and a +# "individual" bucket chosen from bits 17 through +# 32 of the IP address. +# +# NOTE: If an IP address is a.b.c.d +# -> bits 25 through 32 are "d" +# -> bits 17 through 24 are "c" +# -> bits 17 through 32 are "c * 256 + d" +# +#Default: +# none + +# TAG: delay_access +# This is used to determine which delay pool a request falls into. +# +# delay_access is sorted per pool and the matching starts with pool 1, +# then pool 2, ..., and finally pool N. The first delay pool where the +# request is allowed is selected for the request. If it does not allow +# the request to any pool then the request is not delayed (default). +# +# For example, if you want some_big_clients in delay +# pool 1 and lotsa_little_clients in delay pool 2: +# +#Example: +# delay_access 1 allow some_big_clients +# delay_access 1 deny all +# delay_access 2 allow lotsa_little_clients +# delay_access 2 deny all +# +#Default: +# none + +# TAG: delay_parameters +# This defines the parameters for a delay pool. Each delay pool has +# a number of "buckets" associated with it, as explained in the +# description of delay_class. For a class 1 delay pool, the syntax is: +# +#delay_parameters pool aggregate +# +# For a class 2 delay pool: +# +#delay_parameters pool aggregate individual +# +# For a class 3 delay pool: +# +#delay_parameters pool aggregate network individual +# +# The variables here are: +# +# pool a pool number - ie, a number between 1 and the +# number specified in delay_pools as used in +# delay_class lines. +# +# aggregate the "delay parameters" for the aggregate bucket +# (class 1, 2, 3). +# +# individual the "delay parameters" for the individual +# buckets (class 2, 3). +# +# network the "delay parameters" for the network buckets +# (class 3). +# +# A pair of delay parameters is written restore/maximum, where restore is +# the number of bytes (not bits - modem and network speeds are usually +# quoted in bits) per second placed into the bucket, and maximum is the +# maximum number of bytes which can be in the bucket at any time. +# +# For example, if delay pool number 1 is a class 2 delay pool as in the +# above example, and is being used to strictly limit each host to 64kbps +# (plus overheads), with no overall limit, the line is: +# +#delay_parameters 1 -1/-1 8000/8000 +# +# Note that the figure -1 is used to represent "unlimited". +# +# And, if delay pool number 2 is a class 3 delay pool as in the above +# example, and you want to limit it to a total of 256kbps (strict limit) +# with each 8-bit network permitted 64kbps (strict limit) and each +# individual host permitted 4800bps with a bucket maximum size of 64kb +# to permit a decent web page to be downloaded at a decent speed +# (if the network is not being limited due to overuse) but slow down +# large downloads more significantly: +# +#delay_parameters 2 32000/32000 8000/8000 600/8000 +# +# There must be one delay_parameters line for each delay pool. +# +#Default: +# none + +# TAG: delay_initial_bucket_level (percent, 0-100) +# The initial bucket percentage is used to determine how much is put +# in each bucket when squid starts, is reconfigured, or first notices +# a host accessing it (in class 2 and class 3, individual hosts and +# networks only have buckets associated with them once they have been +# "seen" by squid). +# +#Default: +# delay_initial_bucket_level 50 + + +# WCCPv1 AND WCCPv2 CONFIGURATION OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: wccp_router +# TAG: wccp2_router +# Use this option to define your WCCP ``home'' router for +# Squid. +# +# wccp_router supports a single WCCP(v1) router +# +# wccp2_router supports multiple WCCPv2 routers +# +# only one of the two may be used at the same time and defines +# which version of WCCP to use. +# +#Default: +# wccp_router 0.0.0.0 + +# TAG: wccp_version +# This directive is only relevant if you need to set up WCCP(v1) +# to some very old and end-of-life Cisco routers. In all other +# setups it must be left unset or at the default setting. +# It defines an internal version in the WCCP(v1) protocol, +# with version 4 being the officially documented protocol. +# +# According to some users, Cisco IOS 11.2 and earlier only +# support WCCP version 3. If you're using that or an earlier +# version of IOS, you may need to change this value to 3, otherwise +# do not specify this parameter. +# +#Default: +# wccp_version 4 + +# TAG: wccp2_rebuild_wait +# If this is enabled Squid will wait for the cache dir rebuild to finish +# before sending the first wccp2 HereIAm packet +# +#Default: +# wccp2_rebuild_wait on + +# TAG: wccp2_forwarding_method +# WCCP2 allows the setting of forwarding methods between the +# router/switch and the cache. Valid values are as follows: +# +# 1 - GRE encapsulation (forward the packet in a GRE/WCCP tunnel) +# 2 - L2 redirect (forward the packet using Layer 2/MAC rewriting) +# +# Currently (as of IOS 12.4) cisco routers only support GRE. +# Cisco switches only support the L2 redirect assignment method. +# +#Default: +# wccp2_forwarding_method 1 + +# TAG: wccp2_return_method +# WCCP2 allows the setting of return methods between the +# router/switch and the cache for packets that the cache +# decides not to handle. Valid values are as follows: +# +# 1 - GRE encapsulation (forward the packet in a GRE/WCCP tunnel) +# 2 - L2 redirect (forward the packet using Layer 2/MAC rewriting) +# +# Currently (as of IOS 12.4) cisco routers only support GRE. +# Cisco switches only support the L2 redirect assignment. +# +# If the "ip wccp redirect exclude in" command has been +# enabled on the cache interface, then it is still safe for +# the proxy server to use a l2 redirect method even if this +# option is set to GRE. +# +#Default: +# wccp2_return_method 1 + +# TAG: wccp2_assignment_method +# WCCP2 allows the setting of methods to assign the WCCP hash +# Valid values are as follows: +# +# 1 - Hash assignment +# 2 - Mask assignment +# +# As a general rule, cisco routers support the hash assignment method +# and cisco switches support the mask assignment method. +# +#Default: +# wccp2_assignment_method 1 + +# TAG: wccp2_service +# WCCP2 allows for multiple traffic services. There are two +# types: "standard" and "dynamic". The standard type defines +# one service id - http (id 0). The dynamic service ids can be from +# 51 to 255 inclusive. In order to use a dynamic service id +# one must define the type of traffic to be redirected; this is done +# using the wccp2_service_info option. +# +# The "standard" type does not require a wccp2_service_info option, +# just specifying the service id will suffice. +# +# MD5 service authentication can be enabled by adding +# "password=<password>" to the end of this service declaration. +# +# Examples: +# +# wccp2_service standard 0 # for the 'web-cache' standard service +# wccp2_service dynamic 80 # a dynamic service type which will be +# # fleshed out with subsequent options. +# wccp2_service standard 0 password=foo +# +# +#Default: +# wccp2_service standard 0 + +# TAG: wccp2_service_info +# Dynamic WCCPv2 services require further information to define the +# traffic you wish to have diverted. +# +# The format is: +# +# wccp2_service_info <id> protocol=<protocol> flags=<flag>,<flag>.. +# priority=<priority> ports=<port>,<port>.. +# +# The relevant WCCPv2 flags: +# + src_ip_hash, dst_ip_hash +# + source_port_hash, dst_port_hash +# + src_ip_alt_hash, dst_ip_alt_hash +# + src_port_alt_hash, dst_port_alt_hash +# + ports_source +# +# The port list can be one to eight entries. +# +# Example: +# +# wccp2_service_info 80 protocol=tcp flags=src_ip_hash,ports_source +# priority=240 ports=80 +# +# Note: the service id must have been defined by a previous +# 'wccp2_service dynamic <id>' entry. +# +#Default: +# none + +# TAG: wccp2_weight +# Each cache server gets assigned a set of the destination +# hash proportional to their weight. +# +#Default: +# wccp2_weight 10000 + +# TAG: wccp_address +# TAG: wccp2_address +# Use this option if you require WCCP to use a specific +# interface address. +# +# The default behavior is to not bind to any specific address. +# +#Default: +# wccp_address 0.0.0.0 +# wccp2_address 0.0.0.0 + + +# PERSISTENT CONNECTION HANDLING +# ----------------------------------------------------------------------------- +# +# Also see "pconn_timeout" in the TIMEOUTS section + +# TAG: client_persistent_connections +# TAG: server_persistent_connections +# Persistent connection support for clients and servers. By +# default, Squid uses persistent connections (when allowed) +# with its clients and servers. You can use these options to +# disable persistent connections with clients and/or servers. +# +#Default: +# client_persistent_connections on +# server_persistent_connections on + +# TAG: persistent_connection_after_error +# With this directive the use of persistent connections after +# HTTP errors can be disabled. Useful if you have clients +# who fail to handle errors on persistent connections proper. +# +#Default: +# persistent_connection_after_error off + +# TAG: detect_broken_pconn +# Some servers have been found to incorrectly signal the use +# of HTTP/1.0 persistent connections even on replies not +# compatible, causing significant delays. This server problem +# has mostly been seen on redirects. +# +# By enabling this directive Squid attempts to detect such +# broken replies and automatically assume the reply is finished +# after 10 seconds timeout. +# +#Default: +# detect_broken_pconn off + + +# CACHE DIGEST OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: digest_generation +# This controls whether the server will generate a Cache Digest +# of its contents. +# +#Default: +# digest_generation on + +# TAG: digest_bits_per_entry +# This is the number of bits of the server's Cache Digest which +# will be associated with the Digest entry for a given HTTP +# Method and URL (public key) combination. The default is 5. +# +#Default: +# digest_bits_per_entry 5 + +# TAG: digest_rebuild_period (seconds) +# This is the wait time between Cache Digest rebuilds. +# +#Default: +# digest_rebuild_period 1 hour + +# TAG: digest_rewrite_period (seconds) +# This is the wait time between Cache Digest writes to disk. +# +#Default: +# digest_rewrite_period 1 hour + +# TAG: digest_swapout_chunk_size (bytes) +# This is the number of bytes of the Cache Digest to write to +# disk at a time. It defaults to 4096 bytes (4KB), the Squid +# default swap page. +# +#Default: +# digest_swapout_chunk_size 4096 bytes + +# TAG: digest_rebuild_chunk_percentage (percent, 0-100) +# This is the percentage of the Cache Digest to be scanned at a +# time. By default it is set to 10% of the Cache Digest. +# +#Default: +# digest_rebuild_chunk_percentage 10 + + +# SNMP OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: snmp_port +# Squid can now serve statistics and status information via SNMP. +# By default it listens to port 3401 on the machine. If you don't +# wish to use SNMP, set this to "0". +# +# Note: on Debian/Linux, the default is zero - you need to +# set it to 3401 to enable it. +# +#Default: +# snmp_port 0 + +# TAG: snmp_access +# Allowing or denying access to the SNMP port. +# +# All access to the agent is denied by default. +# usage: +# +# snmp_access allow|deny [!]aclname ... +# +#Example: +# snmp_access allow snmppublic localhost +# snmp_access deny all +# +#Default: +# snmp_access deny all + +# TAG: snmp_incoming_address +# TAG: snmp_outgoing_address +# Just like 'udp_incoming_address' above, but for the SNMP port. +# +# snmp_incoming_address is used for the SNMP socket receiving +# messages from SNMP agents. +# snmp_outgoing_address is used for SNMP packets returned to SNMP +# agents. +# +# The default snmp_incoming_address (0.0.0.0) is to listen on all +# available network interfaces. +# +# If snmp_outgoing_address is set to 255.255.255.255 (the default) +# it will use the same socket as snmp_incoming_address. Only +# change this if you want to have SNMP replies sent using another +# address than where this Squid listens for SNMP queries. +# +# NOTE, snmp_incoming_address and snmp_outgoing_address can not have +# the same value since they both use port 3401. +# +#Default: +# snmp_incoming_address 0.0.0.0 +# snmp_outgoing_address 255.255.255.255 + + +# ICP OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: icp_port +# The port number where Squid sends and receives ICP queries to +# and from neighbor caches. Default is 3130. To disable use +# "0". May be overridden with -u on the command line. +# +#Default: +# icp_port 3130 + +# TAG: htcp_port +# The port number where Squid sends and receives HTCP queries to +# and from neighbor caches. To turn it on you want to set it 4827. +# By default it is set to "0" (disabled). +# +#Default: +# htcp_port 0 + +# TAG: log_icp_queries on|off +# If set, ICP queries are logged to access.log. You may wish +# do disable this if your ICP load is VERY high to speed things +# up or to simplify log analysis. +# +#Default: +# log_icp_queries on + +# TAG: udp_incoming_address +# udp_incoming_address is used for UDP packets received from other +# caches. +# +# The default behavior is to not bind to any specific address. +# +# Only change this if you want to have all UDP queries received on +# a specific interface/address. +# +# NOTE: udp_incoming_address is used by the ICP, HTCP, and DNS +# modules. Altering it will affect all of them in the same manner. +# +# see also; udp_outgoing_address +# +# NOTE, udp_incoming_address and udp_outgoing_address can not +# have the same value since they both use the same port. +# +#Default: +# udp_incoming_address 0.0.0.0 + +# TAG: udp_outgoing_address +# udp_outgoing_address is used for UDP packets sent out to other +# caches. +# +# The default behavior is to not bind to any specific address. +# +# Instead it will use the same socket as udp_incoming_address. +# Only change this if you want to have UDP queries sent using another +# address than where this Squid listens for UDP queries from other +# caches. +# +# NOTE: udp_outgoing_address is used by the ICP, HTCP, and DNS +# modules. Altering it will affect all of them in the same manner. +# +# see also; udp_incoming_address +# +# NOTE, udp_incoming_address and udp_outgoing_address can not +# have the same value since they both use the same port. +# +#Default: +# udp_outgoing_address 255.255.255.255 + +# TAG: icp_hit_stale on|off +# If you want to return ICP_HIT for stale cache objects, set this +# option to 'on'. If you have sibling relationships with caches +# in other administrative domains, this should be 'off'. If you only +# have sibling relationships with caches under your control, +# it is probably okay to set this to 'on'. +# If set to 'on', your siblings should use the option "allow-miss" +# on their cache_peer lines for connecting to you. +# +#Default: +# icp_hit_stale off + +# TAG: minimum_direct_hops +# If using the ICMP pinging stuff, do direct fetches for sites +# which are no more than this many hops away. +# +#Default: +# minimum_direct_hops 4 + +# TAG: minimum_direct_rtt +# If using the ICMP pinging stuff, do direct fetches for sites +# which are no more than this many rtt milliseconds away. +# +#Default: +# minimum_direct_rtt 400 + +# TAG: netdb_low +# TAG: netdb_high +# The low and high water marks for the ICMP measurement +# database. These are counts, not percents. The defaults are +# 900 and 1000. When the high water mark is reached, database +# entries will be deleted until the low mark is reached. +# +#Default: +# netdb_low 900 +# netdb_high 1000 + +# TAG: netdb_ping_period +# The minimum period for measuring a site. There will be at +# least this much delay between successive pings to the same +# network. The default is five minutes. +# +#Default: +# netdb_ping_period 5 minutes + +# TAG: query_icmp on|off +# If you want to ask your peers to include ICMP data in their ICP +# replies, enable this option. +# +# If your peer has configured Squid (during compilation) with +# '--enable-icmp' that peer will send ICMP pings to origin server +# sites of the URLs it receives. If you enable this option the +# ICP replies from that peer will include the ICMP data (if available). +# Then, when choosing a parent cache, Squid will choose the parent with +# the minimal RTT to the origin server. When this happens, the +# hierarchy field of the access.log will be +# "CLOSEST_PARENT_MISS". This option is off by default. +# +#Default: +# query_icmp off + +# TAG: test_reachability on|off +# When this is 'on', ICP MISS replies will be ICP_MISS_NOFETCH +# instead of ICP_MISS if the target host is NOT in the ICMP +# database, or has a zero RTT. +# +#Default: +# test_reachability off + +# TAG: icp_query_timeout (msec) +# Normally Squid will automatically determine an optimal ICP +# query timeout value based on the round-trip-time of recent ICP +# queries. If you want to override the value determined by +# Squid, set this 'icp_query_timeout' to a non-zero value. This +# value is specified in MILLISECONDS, so, to use a 2-second +# timeout (the old default), you would write: +# +# icp_query_timeout 2000 +# +#Default: +# icp_query_timeout 0 + +# TAG: maximum_icp_query_timeout (msec) +# Normally the ICP query timeout is determined dynamically. But +# sometimes it can lead to very large values (say 5 seconds). +# Use this option to put an upper limit on the dynamic timeout +# value. Do NOT use this option to always use a fixed (instead +# of a dynamic) timeout value. To set a fixed timeout see the +# 'icp_query_timeout' directive. +# +#Default: +# maximum_icp_query_timeout 2000 + +# TAG: minimum_icp_query_timeout (msec) +# Normally the ICP query timeout is determined dynamically. But +# sometimes it can lead to very small timeouts, even lower than +# the normal latency variance on your link due to traffic. +# Use this option to put an lower limit on the dynamic timeout +# value. Do NOT use this option to always use a fixed (instead +# of a dynamic) timeout value. To set a fixed timeout see the +# 'icp_query_timeout' directive. +# +#Default: +# minimum_icp_query_timeout 5 + + +# MULTICAST ICP OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: mcast_groups +# This tag specifies a list of multicast groups which your server +# should join to receive multicasted ICP queries. +# +# NOTE! Be very careful what you put here! Be sure you +# understand the difference between an ICP _query_ and an ICP +# _reply_. This option is to be set only if you want to RECEIVE +# multicast queries. Do NOT set this option to SEND multicast +# ICP (use cache_peer for that). ICP replies are always sent via +# unicast, so this option does not affect whether or not you will +# receive replies from multicast group members. +# +# You must be very careful to NOT use a multicast address which +# is already in use by another group of caches. +# +# If you are unsure about multicast, please read the Multicast +# chapter in the Squid FAQ (http://www.squid-cache.org/FAQ/). +# +# Usage: mcast_groups 239.128.16.128 224.0.1.20 +# +# By default, Squid doesn't listen on any multicast groups. +# +#Default: +# none + +# TAG: mcast_miss_addr +# Note: This option is only available if Squid is rebuilt with the +# --enable-multicast-miss option +# +# If you enable this option, every "cache miss" URL will +# be sent out on the specified multicast address. +# +# Do not enable this option unless you are are absolutely +# certain you understand what you are doing. +# +#Default: +# mcast_miss_addr 255.255.255.255 + +# TAG: mcast_miss_ttl +# Note: This option is only available if Squid is rebuilt with the +# --enable-multicast-miss option +# +# This is the time-to-live value for packets multicasted +# when multicasting off cache miss URLs is enabled. By +# default this is set to 'site scope', i.e. 16. +# +#Default: +# mcast_miss_ttl 16 + +# TAG: mcast_miss_port +# Note: This option is only available if Squid is rebuilt with the +# --enable-multicast-miss option +# +# This is the port number to be used in conjunction with +# 'mcast_miss_addr'. +# +#Default: +# mcast_miss_port 3135 + +# TAG: mcast_miss_encode_key +# Note: This option is only available if Squid is rebuilt with the +# --enable-multicast-miss option +# +# The URLs that are sent in the multicast miss stream are +# encrypted. This is the encryption key. +# +#Default: +# mcast_miss_encode_key XXXXXXXXXXXXXXXX + +# TAG: mcast_icp_query_timeout (msec) +# For multicast peers, Squid regularly sends out ICP "probes" to +# count how many other peers are listening on the given multicast +# address. This value specifies how long Squid should wait to +# count all the replies. The default is 2000 msec, or 2 +# seconds. +# +#Default: +# mcast_icp_query_timeout 2000 + + +# INTERNAL ICON OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: icon_directory +# Where the icons are stored. These are normally kept in +# /usr/share/squid/icons +# +#Default: +# icon_directory /usr/share/squid/icons + +# TAG: global_internal_static +# This directive controls is Squid should intercept all requests for +# /squid-internal-static/ no matter which host the URL is requesting +# (default on setting), or if nothing special should be done for +# such URLs (off setting). The purpose of this directive is to make +# icons etc work better in complex cache hierarchies where it may +# not always be possible for all corners in the cache mesh to reach +# the server generating a directory listing. +# +#Default: +# global_internal_static on + +# TAG: short_icon_urls +# If this is enabled Squid will use short URLs for icons. +# +# If off the URLs for icons will always be absolute URLs +# including the proxy name and port. +# +#Default: +# short_icon_urls off + + +# ERROR PAGE OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: error_directory +# If you wish to create your own versions of the default +# (English) error files, either to customize them to suit your +# language or company copy the template English files to another +# directory and point this tag at them. +# +# The squid developers are interested in making squid available in +# a wide variety of languages. If you are making translations for a +# langauge that Squid does not currently provide please consider +# contributing your translation back to the project. +# +#Default: +# error_directory /usr/share/squid/errors/en + +# TAG: error_map +# Map errors to custom messages +# +# error_map message_url http_status ... +# +# http_status ... is a list of HTTP status codes or Squid error +# messages. +# +# Use in accelerators to substitute the error messages returned +# by servers with other custom errors. +# +# error_map http://your.server/error/404.shtml 404 +# +# Requests for error messages is a GET request for the configured +# URL with the following special headers +# +# X-Error-Status: The received HTTP status code (i.e. 404) +# X-Request-URI: The requested URI where the error occurred +# +# In Addition the following headers are forwarded from the client +# request: +# +# User-Agent, Cookie, X-Forwarded-For, Via, Authorization, +# Accept, Referer +# +# And the following headers from the server reply: +# +# Server, Via, Location, Content-Location +# +# The reply returned to the client will carry the original HTTP +# headers from the real error message, but with the reply body +# of the configured error message. +# +# +#Default: +# none + +# TAG: err_html_text +# HTML text to include in error messages. Make this a "mailto" +# URL to your admin address, or maybe just a link to your +# organizations Web page. +# +# To include this in your error messages, you must rewrite +# the error template files (found in the "errors" directory). +# Wherever you want the 'err_html_text' line to appear, +# insert a %L tag in the error template file. +# +#Default: +# none + +# TAG: deny_info +# Usage: deny_info err_page_name acl +# or deny_info http://... acl +# Example: deny_info ERR_CUSTOM_ACCESS_DENIED bad_guys +# +# This can be used to return a ERR_ page for requests which +# do not pass the 'http_access' rules. Squid remembers the last +# acl it evaluated in http_access, and if a 'deny_info' line exists +# for that ACL Squid returns a corresponding error page. +# +# The acl is typically the last acl on the http_access deny line which +# denied access. The exceptions to this rule are: +# - When Squid needs to request authentication credentials. It's then +# the first authentication related acl encountered +# - When none of the http_access lines matches. It's then the last +# acl processed on the last http_access line. +# +# You may use ERR_ pages that come with Squid or create your own pages +# and put them into the configured errors/ directory. +# +# Alternatively you can specify an error URL. The browsers will +# get redirected (302) to the specified URL. %s in the redirection +# URL will be replaced by the requested URL. +# +# Alternatively you can tell Squid to reset the TCP connection +# by specifying TCP_RESET. +# +#Default: +# none + + +# OPTIONS INFLUENCING REQUEST FORWARDING +# ----------------------------------------------------------------------------- + +# TAG: nonhierarchical_direct +# By default, Squid will send any non-hierarchical requests +# (matching hierarchy_stoplist or not cacheable request type) direct +# to origin servers. +# +# If you set this to off, Squid will prefer to send these +# requests to parents. +# +# Note that in most configurations, by turning this off you will only +# add latency to these request without any improvement in global hit +# ratio. +# +# If you are inside an firewall see never_direct instead of +# this directive. +# +#Default: +# nonhierarchical_direct on + +# TAG: prefer_direct +# Normally Squid tries to use parents for most requests. If you for some +# reason like it to first try going direct and only use a parent if +# going direct fails set this to on. +# +# By combining nonhierarchical_direct off and prefer_direct on you +# can set up Squid to use a parent as a backup path if going direct +# fails. +# +# Note: If you want Squid to use parents for all requests see +# the never_direct directive. prefer_direct only modifies how Squid +# acts on cacheable requests. +# +#Default: +# prefer_direct off + +# TAG: ignore_ims_on_miss on|off +# This options makes Squid ignore If-Modified-Since on +# cache misses. This is useful while the cache is +# mostly empty to more quickly have the cache populated. +# +#Default: +# ignore_ims_on_miss off + +# TAG: always_direct +# Usage: always_direct allow|deny [!]aclname ... +# +# Here you can use ACL elements to specify requests which should +# ALWAYS be forwarded by Squid to the origin servers without using +# any peers. For example, to always directly forward requests for +# local servers ignoring any parents or siblings you may have use +# something like: +# +# acl local-servers dstdomain my.domain.net +# always_direct allow local-servers +# +# To always forward FTP requests directly, use +# +# acl FTP proto FTP +# always_direct allow FTP +# +# NOTE: There is a similar, but opposite option named +# 'never_direct'. You need to be aware that "always_direct deny +# foo" is NOT the same thing as "never_direct allow foo". You +# may need to use a deny rule to exclude a more-specific case of +# some other rule. Example: +# +# acl local-external dstdomain external.foo.net +# acl local-servers dstdomain .foo.net +# always_direct deny local-external +# always_direct allow local-servers +# +# NOTE: If your goal is to make the client forward the request +# directly to the origin server bypassing Squid then this needs +# to be done in the client configuration. Squid configuration +# can only tell Squid how Squid should fetch the object. +# +# NOTE: This directive is not related to caching. The replies +# is cached as usual even if you use always_direct. To not cache +# the replies see no_cache. +# +# This option replaces some v1.1 options such as local_domain +# and local_ip. +# +#Default: +# none + +# TAG: never_direct +# Usage: never_direct allow|deny [!]aclname ... +# +# never_direct is the opposite of always_direct. Please read +# the description for always_direct if you have not already. +# +# With 'never_direct' you can use ACL elements to specify +# requests which should NEVER be forwarded directly to origin +# servers. For example, to force the use of a proxy for all +# requests, except those in your local domain use something like: +# +# acl local-servers dstdomain .foo.net +# acl all src 0.0.0.0/0.0.0.0 +# never_direct deny local-servers +# never_direct allow all +# +# or if Squid is inside a firewall and there are local intranet +# servers inside the firewall use something like: +# +# acl local-intranet dstdomain .foo.net +# acl local-external dstdomain external.foo.net +# always_direct deny local-external +# always_direct allow local-intranet +# never_direct allow all +# +# This option replaces some v1.1 options such as inside_firewall +# and firewall_ip. +# +#Default: +# none + + +# ADVANCED NETWORKING OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: max_filedescriptors +# The maximum number of filedescriptors supported. +# +# The default "0" means Squid inherits the current ulimit setting. +# +# Note: Changing this requires a restart of Squid. Also +# not all comm loops supports values larger than --with-maxfd. +# +#Default: +# max_filedescriptors 0 + +# TAG: accept_filter +# FreeBSD: +# +# The name of an accept(2) filter to install on Squid's +# listen socket(s). This feature is perhaps specific to +# FreeBSD and requires support in the kernel. +# +# The 'httpready' filter delays delivering new connections +# to Squid until a full HTTP request has been received. +# See the accf_http(9) man page for details. +# +# The 'dataready' filter delays delivering new connections +# to Squid until there is some data to process. +# See the accf_dataready(9) man page for details. +# +# Linux: +# +# The 'data' filter delays delivering of new connections +# to Squid until there is some data to process by TCP_ACCEPT_DEFER. +# You may optionally specify a number of seconds to wait by +# 'data=N' where N is the number of seconds. Defaults to 30 +# if not specified. See the tcp(7) man page for details. +#EXAMPLE: +## FreeBSD +#accept_filter httpready +## Linux +#accept_filter data +# +#Default: +# none + +# TAG: tcp_recv_bufsize (bytes) +# Size of receive buffer to set for TCP sockets. Probably just +# as easy to change your kernel's default. Set to zero to use +# the default buffer size. +# +#Default: +# tcp_recv_bufsize 0 bytes + +# TAG: incoming_rate +# This directive controls how aggressive Squid should accept new +# connections compared to processing existing connections. +# The lower number the more frequent Squid will look for new +# incoming requests. +# +#Default: +# incoming_rate 30 + + +# DNS OPTIONS +# ----------------------------------------------------------------------------- + +# TAG: check_hostnames +# For security and stability reasons Squid by default checks +# hostnames for Internet standard RFC compliance. If you do not want +# Squid to perform these checks then turn this directive off. +# +#Default: +# check_hostnames on + +# TAG: allow_underscore +# Underscore characters is not strictly allowed in Internet hostnames +# but nevertheless used by many sites. Set this to off if you want +# Squid to be strict about the standard. +# This check is performed only when check_hostnames is set to on. +# +#Default: +# allow_underscore on + +# TAG: cache_dns_program +# Note: This option is only available if Squid is rebuilt with the +# --disable-internal-dns option +# +# Specify the location of the executable for dnslookup process. +# +#Default: +# cache_dns_program /usr/lib/squid/dnsserver + +# TAG: dns_children +# Note: This option is only available if Squid is rebuilt with the +# --disable-internal-dns option +# +# The number of processes spawn to service DNS name lookups. +# For heavily loaded caches on large servers, you should +# probably increase this value to at least 10. The maximum +# is 32. The default is 5. +# +# You must have at least one dnsserver process. +# +#Default: +# dns_children 5 + +# TAG: dns_retransmit_interval +# Initial retransmit interval for DNS queries. The interval is +# doubled each time all configured DNS servers have been tried. +# +# +#Default: +# dns_retransmit_interval 5 seconds + +# TAG: dns_timeout +# DNS Query timeout. If no response is received to a DNS query +# within this time all DNS servers for the queried domain +# are assumed to be unavailable. +# +#Default: +# dns_timeout 2 minutes + +# TAG: dns_defnames on|off +# Normally the RES_DEFNAMES resolver option is disabled +# (see res_init(3)). This prevents caches in a hierarchy +# from interpreting single-component hostnames locally. To allow +# Squid to handle single-component names, enable this option. +# +#Default: +# dns_defnames off + +# TAG: dns_nameservers +# Use this if you want to specify a list of DNS name servers +# (IP addresses) to use instead of those given in your +# /etc/resolv.conf file. +# On Windows platforms, if no value is specified here or in +# the /etc/resolv.conf file, the list of DNS name servers are +# taken from the Windows registry, both static and dynamic DHCP +# configurations are supported. +# +# Example: dns_nameservers 10.0.0.1 192.172.0.4 +# +#Default: +# none + +# TAG: hosts_file +# Location of the host-local IP name-address associations +# database. Most Operating Systems have such a file on different +# default locations: +# - Un*X & Linux: /etc/hosts +# - Windows NT/2000: %SystemRoot%\system32\drivers\etc\hosts +# (%SystemRoot% value install default is c:\winnt) +# - Windows XP/2003: %SystemRoot%\system32\drivers\etc\hosts +# (%SystemRoot% value install default is c:\windows) +# - Windows 9x/Me: %windir%\hosts +# (%windir% value is usually c:\windows) +# - Cygwin: /etc/hosts +# +# The file contains newline-separated definitions, in the +# form ip_address_in_dotted_form name [name ...] names are +# whitespace-separated. Lines beginning with an hash (#) +# character are comments. +# +# The file is checked at startup and upon configuration. +# If set to 'none', it won't be checked. +# If append_domain is used, that domain will be added to +# domain-local (i.e. not containing any dot character) host +# definitions. +# +#Default: +# hosts_file /etc/hosts +# +hosts_file /etc/hosts + +# TAG: dns_testnames +# The DNS tests exit as soon as the first site is successfully looked up +# +# This test can be disabled with the -D command line option. +# +#Default: +# dns_testnames netscape.com internic.net nlanr.net microsoft.com + +# TAG: append_domain +# Appends local domain name to hostnames without any dots in +# them. append_domain must begin with a period. +# +# Be warned there are now Internet names with no dots in +# them using only top-domain names, so setting this may +# cause some Internet sites to become unavailable. +# +#Example: +# append_domain .yourdomain.com +# +#Default: +# none + +# TAG: ignore_unknown_nameservers +# By default Squid checks that DNS responses are received +# from the same IP addresses they are sent to. If they +# don't match, Squid ignores the response and writes a warning +# message to cache.log. You can allow responses from unknown +# nameservers by setting this option to 'off'. +# +#Default: +# ignore_unknown_nameservers on + +# TAG: ipcache_size (number of entries) +# TAG: ipcache_low (percent) +# TAG: ipcache_high (percent) +# The size, low-, and high-water marks for the IP cache. +# +#Default: +# ipcache_size 1024 +# ipcache_low 90 +# ipcache_high 95 + +# TAG: fqdncache_size (number of entries) +# Maximum number of FQDN cache entries. +# +#Default: +# fqdncache_size 1024 + + +# MISCELLANEOUS +# ----------------------------------------------------------------------------- + +# TAG: memory_pools on|off +# If set, Squid will keep pools of allocated (but unused) memory +# available for future use. If memory is a premium on your +# system and you believe your malloc library outperforms Squid +# routines, disable this. +# +#Default: +# memory_pools on + +# TAG: memory_pools_limit (bytes) +# Used only with memory_pools on: +# memory_pools_limit 50 MB +# +# If set to a non-zero value, Squid will keep at most the specified +# limit of allocated (but unused) memory in memory pools. All free() +# requests that exceed this limit will be handled by your malloc +# library. Squid does not pre-allocate any memory, just safe-keeps +# objects that otherwise would be free()d. Thus, it is safe to set +# memory_pools_limit to a reasonably high value even if your +# configuration will use less memory. +# +# If set to zero, Squid will keep all memory it can. That is, there +# will be no limit on the total amount of memory used for safe-keeping. +# +# To disable memory allocation optimization, do not set +# memory_pools_limit to 0. Set memory_pools to "off" instead. +# +# An overhead for maintaining memory pools is not taken into account +# when the limit is checked. This overhead is close to four bytes per +# object kept. However, pools may actually _save_ memory because of +# reduced memory thrashing in your malloc library. +# +#Default: +# memory_pools_limit 5 MB + +# TAG: forwarded_for on|off +# If set, Squid will include your system's IP address or name +# in the HTTP requests it forwards. By default it looks like +# this: +# +# X-Forwarded-For: 192.1.2.3 +# +# If you disable this, it will appear as +# +# X-Forwarded-For: unknown +# +#Default: +# forwarded_for on + +# TAG: cachemgr_passwd +# Specify passwords for cachemgr operations. +# +# Usage: cachemgr_passwd password action action ... +# +# Some valid actions are (see cache manager menu for a full list): +# 5min +# 60min +# asndb +# authenticator +# cbdata +# client_list +# comm_incoming +# config * +# counters +# delay +# digest_stats +# dns +# events +# filedescriptors +# fqdncache +# histograms +# http_headers +# info +# io +# ipcache +# mem +# menu +# netdb +# non_peers +# objects +# offline_toggle * +# pconn +# peer_select +# reconfigure * +# redirector +# refresh +# server_list +# shutdown * +# store_digest +# storedir +# utilization +# via_headers +# vm_objects +# +# * Indicates actions which will not be performed without a +# valid password, others can be performed if not listed here. +# +# To disable an action, set the password to "disable". +# To allow performing an action without a password, set the +# password to "none". +# +# Use the keyword "all" to set the same password for all actions. +# +#Example: +# cachemgr_passwd secret shutdown +# cachemgr_passwd lesssssssecret info stats/objects +# cachemgr_passwd disable all +# +#Default: +# none + +# TAG: client_db on|off +# If you want to disable collecting per-client statistics, +# turn off client_db here. +# +#Default: +# client_db on + +# TAG: reload_into_ims on|off +# When you enable this option, client no-cache or ``reload'' +# requests will be changed to If-Modified-Since requests. +# Doing this VIOLATES the HTTP standard. Enabling this +# feature could make you liable for problems which it +# causes. +# +# see also refresh_pattern for a more selective approach. +# +#Default: +# reload_into_ims off + +# TAG: maximum_single_addr_tries +# This sets the maximum number of connection attempts for a +# host that only has one address (for multiple-address hosts, +# each address is tried once). +# +# The default value is one attempt, the (not recommended) +# maximum is 255 tries. A warning message will be generated +# if it is set to a value greater than ten. +# +# Note: This is in addition to the request re-forwarding which +# takes place if Squid fails to get a satisfying response. +# +#Default: +# maximum_single_addr_tries 1 + +# TAG: retry_on_error +# If set to on Squid will automatically retry requests when +# receiving an error response. This is mainly useful if you +# are in a complex cache hierarchy to work around access +# control errors. +# +#Default: +# retry_on_error off + +# TAG: as_whois_server +# WHOIS server to query for AS numbers. NOTE: AS numbers are +# queried only when Squid starts up, not for every request. +# +#Default: +# as_whois_server whois.ra.net +# as_whois_server whois.ra.net + +# TAG: offline_mode +# Enable this option and Squid will never try to validate cached +# objects. +# +#Default: +# offline_mode off + +# TAG: uri_whitespace +# What to do with requests that have whitespace characters in the +# URI. Options: +# +# strip: The whitespace characters are stripped out of the URL. +# This is the behavior recommended by RFC2396. +# deny: The request is denied. The user receives an "Invalid +# Request" message. +# allow: The request is allowed and the URI is not changed. The +# whitespace characters remain in the URI. Note the +# whitespace is passed to redirector processes if they +# are in use. +# encode: The request is allowed and the whitespace characters are +# encoded according to RFC1738. This could be considered +# a violation of the HTTP/1.1 +# RFC because proxies are not allowed to rewrite URI's. +# chop: The request is allowed and the URI is chopped at the +# first whitespace. This might also be considered a +# violation. +# +#Default: +# uri_whitespace strip + +# TAG: coredump_dir +# By default Squid leaves core files in the directory from where +# it was started. If you set 'coredump_dir' to a directory +# that exists, Squid will chdir() to that directory at startup +# and coredump files will be left there. +# +#Default: +# coredump_dir none +# +# Leave coredumps in the first cache dir +coredump_dir /var/spool/squid + +# TAG: chroot +# Use this to have Squid do a chroot() while initializing. This +# also causes Squid to fully drop root privileges after +# initializing. This means, for example, if you use a HTTP +# port less than 1024 and try to reconfigure, you will may get an +# error saying that Squid can not open the port. +# +#Default: +# none + +# TAG: balance_on_multiple_ip +# Some load balancing servers based on round robin DNS have been +# found not to preserve user session state across requests +# to different IP addresses. +# +# By default Squid rotates IP's per request. By disabling +# this directive only connection failure triggers rotation. +# +#Default: +# balance_on_multiple_ip on + +# TAG: pipeline_prefetch +# To boost the performance of pipelined requests to closer +# match that of a non-proxied environment Squid can try to fetch +# up to two requests in parallel from a pipeline. +# +# Defaults to off for bandwidth management and access logging +# reasons. +# +#Default: +# pipeline_prefetch off + +# TAG: high_response_time_warning (msec) +# If the one-minute median response time exceeds this value, +# Squid prints a WARNING with debug level 0 to get the +# administrators attention. The value is in milliseconds. +# +#Default: +# high_response_time_warning 0 + +# TAG: high_page_fault_warning +# If the one-minute average page fault rate exceeds this +# value, Squid prints a WARNING with debug level 0 to get +# the administrators attention. The value is in page faults +# per second. +# +#Default: +# high_page_fault_warning 0 + +# TAG: high_memory_warning +# If the memory usage (as determined by mallinfo) exceeds +# this amount, Squid prints a WARNING with debug level 0 to get +# the administrators attention. +# +#Default: +# high_memory_warning 0 KB + +# TAG: sleep_after_fork (microseconds) +# When this is set to a non-zero value, the main Squid process +# sleeps the specified number of microseconds after a fork() +# system call. This sleep may help the situation where your +# system reports fork() failures due to lack of (virtual) +# memory. Note, however, if you have a lot of child +# processes, these sleep delays will add up and your +# Squid will not service requests for some amount of time +# until all the child processes have been started. +# On Windows value less then 1000 (1 milliseconds) are +# rounded to 1000. +# +#Default: +# sleep_after_fork 0 + +# TAG: zero_buffers on|off +# Squid by default will zero all buffers before using or reusing them. +# Setting this to 'off' will result in fixed-sized temporary buffers +# not being zero'ed. This may give a performance boost on certain +# platforms but it may result in undefined behaviour at the present +# time. +# +#Default: +# zero_buffers on + +# TAG: windows_ipaddrchangemonitor on|off +# On Windows Squid by default will monitor IP address changes and will +# reconfigure itself after any detected event. This is very useful for +# proxies connected to internet with dial-up interfaces. +# In some cases (a Proxy server acting as VPN gateway is one) it could be +# desiderable to disable this behaviour setting this to 'off'. +# Note: after changing this, Squid service must be restarted. +# +#Default: +# windows_ipaddrchangemonitor on + diff --git a/etc/sudoers.d/jenkins b/etc/sudoers.d/jenkins new file mode 100644 index 00000000..d7a27de8 --- /dev/null +++ b/etc/sudoers.d/jenkins @@ -0,0 +1 @@ +jenkins ALL= NOPASSWD: /usr/sbin/debootstrap *, NOPASSWD: /usr/sbin/chroot /chroots/*, NOPASSWD: /bin/rm -rf /chroots/*, NOPASSWD: /bin/umount -l /chroots/* diff --git a/logparse/debian.rules b/logparse/debian.rules new file mode 100644 index 00000000..dc521871 --- /dev/null +++ b/logparse/debian.rules @@ -0,0 +1,14 @@ +# see https://wiki.jenkins-ci.org/display/JENKINS/Log+Parser+Plugin + +ok /not really/ + +# match line starting with 'error ', case-insensitive +error /(?i)^error / + +# list of warnings here... +warning /[Ww]arning/ +warning /WARNING/ + +# create a quick access link to lines in the report containing 'INFO' +info /INFO/ + diff --git a/update_jdn.sh b/update_jdn.sh new file mode 100755 index 00000000..da18eccc --- /dev/null +++ b/update_jdn.sh @@ -0,0 +1,44 @@ +#!/bin/bash + +# Copyright 2012 Holger Levsen <holger@layer-acht.org> +# released under the GPLv=2 + +# make sure needed directories exists +for directory in /srv/jenkins /chroots ; do + if [ ! -d $directory ] ; then + sudo mkdir $directory + sudo chown jenkins.jenkins $directory + fi +done + +# +# install the heart of jenkins.debian.net +# +cp -r bin logparse /srv/jenkins/ +cp -r userContent/* /var/lib/jenkins/userContent/ +asciidoc -a numbered -a data-uri -a iconsdir=/etc/asciidoc/images/icons -a scriptsdir=/etc/asciidoc/javascripts -a imagesdir=./ -b html5 -a toc -a toclevels=4 -a icons -o about.html TODO && cp about.html /var/lib/jenkins/userContent/ + +# +# install packages we need +# (more or less grouped into more-then-nice-to-have, needed-while-things-are-new, needed) +# +sudo apt-get install vim screen less etckeeper mtr-tiny dstat devscripts \ + build-essential python-setuptools \ + debootstrap sudo figlet graphviz apache2 python-yaml + +# +# deploy package configuration in /etc +# +sudo cp -r etc/* / + +# +# more configuration than a simple cp can do +# +if [ ! -e /etc/apache2/mods-enabled/proxy.load ] ; then + sudo a2enmod proxy + sudo a2enmod proxy_http +fi +sudo chown root.root /etc/sudoers.d/jenkins ; sudo chmod 700 /etc/sudoers.d/jenkins +sudo ln -sf /etc/apache2/sites-available/jenkins.debian.net /etc/apache2/sites-enabled/000-default +sudo service apache2 reload + diff --git a/userContent/images/debian-swirl-24x24.png b/userContent/images/debian-swirl-24x24.png Binary files differnew file mode 100644 index 00000000..9c6a9806 --- /dev/null +++ b/userContent/images/debian-swirl-24x24.png diff --git a/userContent/images/profitbricks-24x24.png b/userContent/images/profitbricks-24x24.png Binary files differnew file mode 100644 index 00000000..f0ee0dde --- /dev/null +++ b/userContent/images/profitbricks-24x24.png diff --git a/userContent/theme/debian-swirl.png b/userContent/theme/debian-swirl.png Binary files differnew file mode 100644 index 00000000..53752a25 --- /dev/null +++ b/userContent/theme/debian-swirl.png diff --git a/userContent/theme/debian.css b/userContent/theme/debian.css new file mode 100644 index 00000000..4727c2af --- /dev/null +++ b/userContent/theme/debian.css @@ -0,0 +1,24 @@ +@charset "utf-8"; + + +#top-panel { + background: url(title.png) 0 0 no-repeat; } + #top-panel td#login-field span a { + background: none; } + #top-panel td #searchform a { + background: none; + height: auto; + width: auto; } + #top-panel td > a { + background: url(title.png) 0 0 no-repeat; + display: block; + height: 34px; + width: 800px; // + margin: 10px 0 0 10px; // + } + #top-panel td > a img { + display: none; } + +#main-table { + background-image: url(debian-swirl.png) !important; +} diff --git a/userContent/theme/title.png b/userContent/theme/title.png Binary files differnew file mode 100644 index 00000000..458152cd --- /dev/null +++ b/userContent/theme/title.png |
