Re: [quicwg/base-drafts] Client MUST use 1-RTT packets if it reads 1-RTT packets (#2458)

Kazuho Oku <> Fri, 15 February 2019 11:33 UTC

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From: Kazuho Oku <>
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Subject: Re: [quicwg/base-drafts] Client MUST use 1-RTT packets if it reads 1-RTT packets (#2458)
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> I think this should be stated in transport as well as TLS


> along with a statement that a server MAY/SHOULD/MUST ignore 0RTT packets that have higher packet numbers than the first received 1RTT packet.

I think that this should be a MAY/SHOULD close the connection with PROTOCOL_VIOLATION rather than "ignore", because that aligns the handling with how we agreed to handle other misuse of 0-RTT packets (see

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