Comment on Stuck on Let's Encrypt certificate issuance due to firewall issue even after opening necessary ports

• scott@lem.free.as ⁨8⁩ ⁨months⁩ ago

  You don’t need UDP on port 80 forwarded through. HTTP is TCP only.

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  • domi@lemmy.secnd.me ⁨8⁩ ⁨months⁩ ago

    HTTP/3 is UDP as well but only on port 443.

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• witten@lemmy.world ⁨8⁩ ⁨months⁩ ago

  Maybe…? I’m not familiar with that router software, but it looks plausible to me…

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