AdGaurd

4$/month is cheap. It’s about a coffee!

VIM is a basic tool. You need it, also to talk to coding agents in many circumstances.

I use AI to get vim commands!

There are several ports open (you dont open them, Tailscale does), including for peer relay. Some are vpn ports, but the ports for relay servers are not for VPN so my guess is that the software that listens to those ports is a lot less secure (compared to Wireguard or OpenVPN).

Is peer relay essentially a custom relay which was previously available, except now it’s one command?

So it runs a STUN server or similar, for discovery and relaying.