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