This! If you can get them for UK voltages and plow style. They are inexpensive and handle 15A, and give the power consumption data as well.

This! You have it set to “Allow”, so it’s allowing it. You need to set it to Deny.

As much as I would love this to kick MS in the backside, it won’t. The public at large has no idea what this is or why it’s bad and evil. They will buy a computer, it will come with Windows, and they’ll use it like they always have. Companies and Govts will gripe initially, but give in because their ancient VB enterprise apps only run on Windows.

I have been using purelymail with my own domains, and at $10 a year with no limit on domains or users under those domains, it’s amazing value.

Been using Purelymail, full email, but SMTP as well, and love the service thus far.

Headscale server, open source, self hosted, with the open source tailscale clients are the way to go.

Short answer, yes, you can forward port 11500 to port 443, but it means you’ll have to go to www.yourdomain.com:11500 and this may or may not work great with you applications inside the network depending on how they are set to run.

I used to use one years ago called yEd graph editor. Supremely amazing. It is free to use, but I don’t think it’s open source.