# deb http://archive.debian.org/debian/ buster main

deb http://archive.debian.org/debian/ buster main
deb-src http://archive.debian.org/debian/ buster main

deb http://security.debian.org/debian-security buster/updates main
deb-src http://security.debian.org/debian-security buster/updates main

# buster backports
deb http://archive.debian.org/debian/ buster-backports main