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Date: Thu, 8 Sep 2005 04:01:37 -0500 (CDT)
From: Mike Silbersack <silby@silby.com>
To: Olivier Nicole <on@cs.ait.ac.th>
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Cc: freebsd-net@freebsd.org
Subject: Re: Connection reset
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On Thu, 8 Sep 2005, Olivier Nicole wrote:

>> When I try to connect via a redirection through the firewall, I got a
>> RST after the SYN, SYN/ACK, ACK.
>
> OK here is a step further, the rest occures because of syncache_expand
> that return 0 on line 722 of tcp_input.
>
> Any reason why the syncache is empty after the SYN and SYN,ACK?
>
> Olivier

I don't think you've given us enough information to work with here.

First of all, the redirection you speak of - is that occuring on the local 
machine itself, or a physically seperate machine?  Secondly, please 
provide a tcpdump log of the aborted connection in question, if you can.

Mike "Silby" Silbersack