Jessie

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