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Date: Tue, 14 Sep 2010 12:36:57 +0200
From: Gareth de Vaux <bsd@lordcow.org>
To: stable@freebsd.org
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Subject: Re: ipfw: Too many dynamic rules
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On Fri 2010-09-10 (13:49), Gareth de Vaux wrote:
> > Thirdly, if you feel FIN_WAIT2 is the cause of your problem, then you
> > should consider adjusting the following sysctl:
> > 
> > net.inet.tcp.finwait2_timeout
> > 
> > Try something like 15000 (15 seconds) instead of the default (60000).
> 
> Ok that seems to be doing something. Will report back later.

Nope it's not helping. That and/or dropping net.inet.ip.fw.dyn_ack_lifetime.