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One thing I've wanted to do is put a battery charge monitor on the escooter I leave at work. I'd like it to report the charge back to a computer I have at my ho
by thatcherc 4y ago
One thing I've wanted to do is put a battery charge monitor on the escooter I leave at work. I'd like it to report the charge back to a computer I have at my house. Running WireGuard on an ESP would let me send battery telemetry back to machine I control, even if the scooter was on public wifi, and without having expose any of my ports to the wider internet (except 51820).
- yjftsjthsd-h 4y ago> except 51820 Even then, it's technically open but it's using UDP so it's not like it'll show up in port scans or anything.
- kkielhofner 4y agoUDP port scans are a thing: https://nmap.org/book/scan-methods-udp-scan.html https://nmap.org/book/scan-methods-udp-scan.html
- FredFS456 4y agoWireguard protocol is specifically designed not to show up on port scans. See section 5.1 of the white paper: https://www.wireguard.com/papers/wireguard.pdf https://www.wireguard.com/papers/wireguard.pdf
- kkielhofner 4y agoVery cool - I didn't know that! But, speaking generally, it's still good to know that UDP port scans are very much possible.