Re: Segment failed SYNCOOKIE?

From: Abdullah Ibn Hamad Al-Marri <almarrie_at_gmail.com>
Date: Sat, 26 May 2007 22:45:38 +0300
On 5/26/07, Steve Kargl <sgk_at_troutmask.apl.washington.edu> wrote:
> Anyone have ideas on how to cure
>
> May 25 16:20:03 node13 kernel: TCP: [192.168.0.15]:53815 to
> [192.168.0.13]:50992 tcpflags 0x11<FIN,ACK>; syncache_expand:
> Segment failed SYNCOOKIE authentication
>
> The hardware and kernel on 192.168.0.15 and 192.168.0.13
> are identical.
>
> --
> Steve

7.0-CURRENT FreeBSD 7.0-CURRENT #0: Sat May 26 04:25:29 GMT 2007

I got the same problem and my sever paniced today.

TCP: [70.162.96.41]:54686 to [IP removed for security reasons]:59999
tcpflags 0x18<PUSH,ACK>; syncache_expand: Segment failed SYNCOOKIE
authentication

Anyone working on this now?

-- 
Regards,

-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/
Received on Sat May 26 2007 - 17:45:40 UTC

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