debian bullseye sources.list security
deb http://deb.debian.org/debian bullseye main contrib non-free
#deb-src http://deb.debian.org/debian bullseye main contrib non-free
deb http://security.debian.org/ bullseye-security main contrib non-free
#deb-src http://security.debian.org/ bullseye-security main contrib non-free
# bullseye-updates, previously known as 'volatile'
deb http://deb.debian.org/debian/ bullseye-updates main contrib non-free
deb-src http://deb.debian.org/debian/ bullseye-updates main contrib non-free
# proposed updates for the next point release
deb http://deb.debian.org/debian bullseye-proposed-updates main contrib non-free
deb-src http://deb.debian.org/debian bullseye-proposed-updates main contrib non-free