Also FWIW, if you're using nftables you can set up port knocking: https://wiki.nftables.org/wiki-nftables/index.php/Port_knocking_example https://wiki.nftables.

Also FWIW, if you're using nftables you can set up port knocking: https://wiki.nftables.org/wiki-nftables/index.php/Port_knocking_example https://wiki.nftables.org/wiki-nftables/index.php/Port_knock...