deb http://deb.debian.org/debian/ bullseye main non-free contrib deb-src http://deb.debian.org/debian/ bullseye main non-free contrib deb http://deb.debian.org/debian/ bullseye-updates main non-free contrib deb-src http://deb.debian.org/debian/ bullseye-updates main non-free contrib deb http://deb.debian.org/debian-security/ bullseye-security main non-free contrib deb-src http://deb.debian.org/debian-security/ bullseye-security main non-free contrib deb http://security.debian.org/ bullseye-security main non-free contrib deb-src http://security.debian.org/ bullseye-security main non-free contrib