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Add PAWS check for ACK segments in the syncache code
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Authored by tuexen on May 23 2019, 12:26 PM.
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Details

Summary

When an ACK segment as the third message of the three way handshake is received and support for time stamps was negotiated in the SYN/SYNACK exchange perform the PAWS check and only expand the syn cache entry if the check is passed.
Without this check, endpoints my get stuck on the incomplete queue.

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rS FreeBSD src repository - subversion
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Buildable 24422