deb http://archive.debian.org/debian stretch main contrib
deb-src http://archive.debian.org/debian stretch main contrib
deb http://archive.debian.org/debian stretch non-free

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

# This doesn't exist any more
## deb http://archive.debian.org/debian stretch-updates main
## deb-src http://archive.debian.org/debian stretch-updates main