jlemon d57f539d00 In timewait state, if the incoming segment is a pure in-sequence ack
that matches snd_max, then do not respond with an ack, just drop the
segment.  This fixes a problem where a simultaneous close results in
an ack loop between two time-wait states.

Test case supplied by: Tim Robbins <tjr@FreeBSD.ORG>
Sponsored by: DARPA, NAI Labs
2003-02-26 18:20:41 +00:00
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