-# deb-src http://security.debian.org/ stable/updates main contrib
-
-# official debian repository:
-# deb http://ftp.debian.org/debian/ stable main contrib non-free
-# deb-src http://ftp.debian.org/debian/ stable main contrib non-free
-
-# official debian DE repository:
-# deb http://ftp.de.debian.org/debian/ stable main contrib non-free
-# deb-src http://ftp.de.debian.org/debian/ stable main contrib non-free