--- /dev/null
+# official debian repository:
+ deb http://ftp.debian.org/debian/ trixie main contrib non-free-firmware non-free
+ deb-src http://ftp.debian.org/debian/ trixie main contrib non-free-firmware non-free
+
+# security updates:
+ deb http://security.debian.org/debian-security trixie-security main contrib non-free-firmware non-free
+ deb-src http://security.debian.org/debian-security trixie-security main contrib non-free-firmware non-free