SYNCOOKIE authentication problems

Steve Kargl sgk at troutmask.apl.washington.edu
Thu Jun 28 01:43:39 UTC 2007


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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