this post was submitted on 29 Sep 2025
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Privacy
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Do. Not. Open. Port. 53. To. The. Internet.
Just Don't.
I suggest installing PiVPN (on your Pi) if you want PiHole awesomeness on the go.
I followed this guide to help with what changes to make to the various config files for using the PiHole over VPN (e.g. you're off your local Wifi/LAN.
I didn't open port 53. It's DoT.
Even then, it took some extra effort to ensure it didn't return internal network addresses from the outside.