-deb http://ftp.fau.de/debian testing main contrib non-free
-deb-src http://ftp.fau.de/debian testing main contrib non-free
+deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
+deb-src http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
+
+deb http://deb.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
+deb-src http://deb.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware