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Why can't you just tell Wireguard to listen on port 443?

  wg set wg0 listen-port 51820...


It uses UDP, not TCP. (Which is generally a sensible choice for a VPN, but is a limitation if UDP is filtered)


Fortunately, UDP will eventually stop being filterable on a functional network, once HTTP/3 becomes widely used. At that point, I'd expect the next round of VPNs to look like HTTP/3 traffic.




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