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 # jessie-updates, previously known as 'volatile' deb http://ftp.de.debian.org/debian/ jessie-updates main deb-src http://ftp.de.debian.org/debian/ jessie-updates main # jessie-backports deb http://ftp.debian.org/debian jessie-backports main