Date: Sun, 27 May 2007 02:28:47 +0300 From: "Abdullah Ibn Hamad Al-Marri" <almarrie@gmail.com> To: "Steve Kargl" <sgk@troutmask.apl.washington.edu> Cc: freebsd-current@freebsd.org Subject: Re: Segment failed SYNCOOKIE? Message-ID: <499c70c0705261628x69396f33h107edf5577238100@mail.gmail.com> In-Reply-To: <20070526223314.GB55588@troutmask.apl.washington.edu> References: <20070525234115.GA48789@troutmask.apl.washington.edu> <499c70c0705261245k6679a12k5a0237fce786ab68@mail.gmail.com> <20070526223314.GB55588@troutmask.apl.washington.edu>
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On 5/27/07, Steve Kargl <sgk@troutmask.apl.washington.edu> wrote: > On Sat, May 26, 2007 at 10:45:38PM +0300, Abdullah Ibn Hamad Al-Marri wrote: > > On 5/26/07, Steve Kargl <sgk@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? > > > > Fortunately for me, the porblem appears on a cluster that > sits behind a firewall or two, so I can turn syncookie off > via net.inet.tcp.syncookies. > > -- > Steve > Could I turn it off in my box till this get sorted out? -- Regards, -Abdullah Ibn Hamad Al-Marri Arab Portal http://www.WeArab.Net/
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