deb http://ftp.de.debian.org/debian/ jessie main
#deb-src http://ftp.de.debian.org/debian/ jessie main

deb http://security.debian.org/ jessie/updates main
#deb-src http://security.debian.org/ jessie/updates main

deb http://ftp.de.debian.org/debian/ jessie-backports main
#deb-src http://ftp.de.debian.org/debian/ jessie-backports main