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