Re: Fw: Problems with nf_nat_ftp.ko and nf_conntrack_ftp.ko in 2.6.22.6

["ron lai" <ronlai@cs.stanford.edu>]

No, I am not using any patch. Is there any debug info I can turn on to see 
why the helper gets invoked twice?

BTW, my build is a SMP build.

Ron
----- Original Message ----- 
From: "Patrick McHardy" <kaber@trash.net>
To: "Ron Lai" <ronlai@cs.stanford.edu>
Cc: <netfilter@vger.kernel.org>; <netfilter-devel@vger.kernel.org>
Sent: Tuesday, November 06, 2007 2:14 AM
Subject: Re: Fw: Problems with nf_nat_ftp.ko and nf_conntrack_ftp.ko in 
2.6.22.6


> Ron Lai wrote:
>> The log I got is listed below and the corresponding pcap file is 
>> attached.
>>
>> Nov  1 21:14:54 ron kernel: ftp: Conntrackinfo = 2
>> Nov  1 21:14:54 ron kernel: ftp: Conntrackinfo = 2
>> Nov  1 21:14:54 ron kernel: ftp: dataoff(60) >= skblen(60)
>> Nov  1 21:14:54 ron kernel: ftp: dataoff(60) >= skblen(60)
>> Nov  1 21:14:54 ron kernel: ftp: dataoff(52) >= skblen(52)
>> Nov  1 21:14:54 ron kernel: ftp: dataoff(52) >= skblen(52)
>
>
> This very much looks like your packets hit the helper twice, which would
> also explain the double sequence number adjustment. You didn't answer
> my question before, are you using any patches?
>
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