Re: [quicwg/base-drafts] Let server abort on post-Retry packet number reset (#3990)

ekr <notifications@github.com> Fri, 28 August 2020 17:20 UTC

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Date: Fri, 28 Aug 2020 10:20:32 -0700
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Subject: Re: [quicwg/base-drafts] Let server abort on post-Retry packet number reset (#3990)
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@ekr commented on this pull request.



> @@ -4807,6 +4807,8 @@ responding to a Retry packet. However, the data sent in these packets could be
 different than what was sent earlier. Sending these new packets with the same
 packet number is likely to compromise the packet protection for those packets
 because the same key and nonce could be used to protect different content.
+A server MAY abort the connection if it detects that the client reset the

I don't object to this particular decision, but I would have assumed that you could *always* abort a connection whenever the peer violates a MUST. No?

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