YOU CAN SPIN UP A START9 SERVER RUNNING OVER TOR VERY EASILY

YOU CAN INSTALL YOUR OWN TOR NOSTR RELAY THAT WHITELISTS YOUR NPUB WITH IT

YOU CAN USE A DEGOOGLED PHONE WITH AMETHYST + TOR WITH ORBOT

YOU CAN RUN VPN ON YOUR ROUTER

YOU CAN ADD FIREWALL RULES AS TO WHAT DEVICE CAN CONNECT TO YOUR SERVER