deb ftp://ftp.ntua.gr/pub/linux/debian/ testing main
deb-src ftp://ftp.ntua.gr/pub/linux/debian/ testing main
deb ftp://ftp.ntua.gr/pub/linux/debian stable main

deb http://security.debian.org/ testing/updates main contrib
deb http://www.debian-multimedia.org testing main
deb http://www.debian-multimedia.org unstable main