Re: [quicwg/base-drafts] Forbid use of application-level close in Initial, Handshake packets (#3164)

MikkelFJ <notifications@github.com> Wed, 30 October 2019 07:14 UTC

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Subject: Re: [quicwg/base-drafts] Forbid use of application-level close in Initial, Handshake packets (#3164)
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mikkelfj commented on this pull request.



> @@ -5503,6 +5503,12 @@ Reason Phrase:
   zero length if the sender chooses to not give details beyond the Error Code.
   This SHOULD be a UTF-8 encoded string {{!RFC3629}}.
 
+The application-specific variant of CONNECTION_CLOSE (type 0x1d) can only be
+sent using an 1-RTT packet ({{QUIC-TLS}}, Section 4).  An application that
+wishes to abandon a connection during the handshake can send a CONNECTION_CLOSE
+frame (type 0x1c) with an error code of 0x15a ("user_canceled" alert; see
+{{?TLS13}}) in an Initial or a Handshake packet.
+

Applications cannot send frames so this requires that the API supports it, which I think they should be recommended to support, but not necessarily be required to support.

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