whee, certs for all starting to come together....
crt.sh/?id=5059423735
(as background: this is all just to make browsers happy as they don't know the underlying connection is e2e wireguard already)
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that'll do...
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I have some similar infra at home and I'm quietly scared of the upcoming esni changes that may make my small hack need to turn into a big mess. Did you cover that part?
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Is ESNI actually happening somehow? Wasn't it only for some big CDNs or something due to its architecture?
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ESNI was replaced by Encrypted Client Hello (ECH). It relies on the new HTTPS record type which isn't broadly supported yet. It shouldn't end up being that hard to deploy but software largely doesn't support it yet. It's still somewhat useful even without a shared server IP.
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HTTPS record type is also used to announce support for HTTP/3 to use it for the first connection, since it's not TCP-based and can't use the transparent ALPN-based approach of HTTP/2. It's also meant to be an optimization by sticking A/AAAA in same record with the other stuff.