Wireguard client (BerylAX) cannot connect to wg server (Brume2) after moving the server to another residential area

You're probably going to want this:

Be aware it looks like HeadScale, and presumably TailScale, isn't PQC ATM[1] should that matter to you.

1. ' Does Tailscale use wireguards psk feature between peers connections,' u/ra66i, 2023 May 04, r/Tailscale