GREASE the server port number #424
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MikeBishop
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design
MikeBishop
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May 2, 2017
draft-ietf-quic-http.md
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| @@ -105,6 +105,11 @@ Connectivity problems (e.g. firewall blocking UDP) can result in QUIC connection | |||
| establishment failure, in which case the client SHOULD continue using the | |||
| existing connection or try another alternative endpoint offered by the origin. | |||
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| Servers MAY serve HTTP/QUIC on any UDP port. Servers MUST use the same port | |||
| across all IP addresses that serve a single domain, and SHOULD NOT change this | |||
| port. Servers SHOULD choose this port at random when first enabling HTTP/QUIC | |||
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Discussion from the editors: It's perfectly reasonable to point out that hq can be on any port and that's supported. The "SHOULD randomize" gets into the middlebox debate and really should become a separate issue if we're going to recommend it. (And it could legitimately become a best practice whether the spec recommends it or not.)
If you back this piece out (or I can do it), I think the rest is fine to merge.
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Should I just remove it, or switch to MAY?
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I'd just remove it -- if it's just a MAY, then it's duplicative of "MAY serve ... on any UDP port."
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