deb      http://httpredir.debian.org/debian           bookworm            main  contrib  non-free non-free-firmware
deb      http://httpredir.debian.org/debian           bookworm-backports  main  contrib  non-free non-free-firmware
deb      http://httpredir.debian.org/debian           bookworm-updates    main  contrib  non-free non-free-firmware
deb      http://httpredir.debian.org/debian-security  bookworm-security   main  contrib  non-free non-free-firmware