Re: [quicwg/base-drafts] Close in response to invalid CONNECTION_CLOSE (#3230)

Martin Thomson <> Tue, 12 November 2019 21:22 UTC

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From: Martin Thomson <>
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Subject: Re: [quicwg/base-drafts] Close in response to invalid CONNECTION_CLOSE (#3230)
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martinthomson commented on this pull request.

> @@ -2397,12 +2397,13 @@ transmission of CONNECTION_CLOSE frames to validated addresses or drop packets
 without response if the response would be more than three times larger than the
 received packet.
-After receiving a CONNECTION_CLOSE frame, endpoints enter the draining state.
-An endpoint that receives a CONNECTION_CLOSE frame MAY send a single packet
-containing a CONNECTION_CLOSE frame before entering the draining state, using a
-CONNECTION_CLOSE frame and a NO_ERROR code if appropriate.  An endpoint MUST NOT
-send further packets, which could result in a constant exchange of
-CONNECTION_CLOSE frames until the closing period on either peer ended.
+After receiving a CONNECTION_CLOSE frame, or an invalid packet that appears to
+contain a CONNECTION_CLOSE frame, endpoints enter the draining state.  An

I think that we'll just go with #3231 and avoid having to worry about this definition.

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