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Date: Wed, 27 Jun 2007 18:43:11 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: freebsd-current@freebsd.org
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Subject: SYNCOOKIE authentication problems
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Any advice on how to isolate or avoid?

Jun 27 18:31:19 node11 kernel: TCP: [192.168.0.11]:59661 to 
[192.168.0.11]:63266 tcpflags 0x10<ACK>; syncache_expand: Segment failed
SYNCOOKIE authentication, segment rejected (probably spoofed)

-- 
Steve