The good thing is, it’s all free software (*), so you can just try.

(*) Windows is free, because you almost certainly have a license with your pc which you can use in the vm too if your pc runs linux.

This is so brilliant, I’m actually jealous that I didn’t think of it.

even worse. I regularly have to get up out of my chair and go down 2 stairs.

Also this took a while to find, but : https://sourceforge.net/p/shorewall/svn/HEAD/tree/branches/4.2/Samples/one-interface/shorewall.conf

ADMINISABSENTMINDED=Yes

Is an actual setting in the config for the (now apparently unmaintained) Shorewall Firewall software/tool for linux.

If I remember correctly, it always checks on firewall rule changes if there is an active connection on port 22, and adds a special rule at the end to maintain that connection.

They don’t build them like they used to anymore.