Date: Wed, 27 Jun 2007 18:43:11 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: freebsd-current@freebsd.org Subject: SYNCOOKIE authentication problems Message-ID: <20070628014311.GA50012@troutmask.apl.washington.edu>
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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
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