Re: [quicwg/base-drafts] Don't use ECN if packets are discarded (#2750)

MikkelFJ <notifications@github.com> Wed, 22 May 2019 14:54 UTC

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Subject: Re: [quicwg/base-drafts] Don't use ECN if packets are discarded (#2750)
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mikkelfj commented on this pull request.



> @@ -5403,8 +5403,9 @@ their effects in more detail.
 An on-the-side attacker can duplicate and send packets with modified ECN
 codepoints to affect the sender's rate.  If duplicate packets are discarded by a
 receiver, an off-path attacker will need to race the duplicate packet against
-the original to be successful in this attack.  Therefore, QUIC receivers ignore
-ECN codepoints set in duplicate packets (see {{ecn}}).
+the original to be successful in this attack.  Therefore, QUIC endpoints ignore
+the ECN codepoint field on an IP packet unless a QUIC packet in that IP packet

```suggestion
the ECN codepoint field on an IP packet unless at least one QUIC packet in that IP packet
```

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