SYNCOOKIE authentication problems

Abdullah Ibn Hamad Al-Marri almarrie at gmail.com
Thu Jun 28 09:04:24 UTC 2007


On 6/28/07, Steve Kargl <sgk at troutmask.apl.washington.edu> wrote:
> 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

It's too weird, I even get it in my server even I use antispoof via
pf, and I get the same msg while for the IPs in the same server.

-- 
Regards,

-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/


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