#deb cdrom:[Debian GNU/Linux 6.0.4 _Squeeze_ - Official amd64 NETINST Binary-1 20120129-00:39]/ squeeze main

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

deb http://ftp.nl.debian.org/debian/ jessie-updates main
deb-src http://ftp.nl.debian.org/debian/ jessie-updates main

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