deb http://archive.ubuntu.com/ubuntu/ %DIST% main restricted
deb-src http://archive.ubuntu.com/ubuntu/ %DIST% main restricted
deb http://archive.ubuntu.com/ubuntu/ %DIST%-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu/ %DIST%-updates main restricted

deb http://security.ubuntu.com/ubuntu %DIST%-security main restricted
deb-src http://security.ubuntu.com/ubuntu %DIST%-security main restricted
deb http://security.ubuntu.com/ubuntu %DIST%-security universe
deb-src http://security.ubuntu.com/ubuntu %DIST%-security universe
deb http://security.ubuntu.com/ubuntu %DIST%-security multiverse
deb-src http://security.ubuntu.com/ubuntu %DIST%-security multiverse