Re: [quicwg/base-drafts] Most the Retry-related fixes (#1788)

MikkelFJ <notifications@github.com> Sun, 23 September 2018 17:04 UTC

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Subject: Re: [quicwg/base-drafts] Most the Retry-related fixes (#1788)
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mikkelfj commented on this pull request.



>  
-A server MUST NOT send a Retry in response to packets other than Initial
-or 0-RTT packets.  A server MAY choose to only send Retry in response to Initial
-packets and discard or buffer 0-RTT packets corresponding to unvalidated client
-addresses.
+A client MUST accept and process at most one Retry packet for each connection

At some point it was suggested that a man-on-the-side defence could be to excercise the retry, but still watch out of an initial response within a timeout period. If an initial response arrives, the retry is cancelled. But I guess you could have bogus inital responses to valid retries ...

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