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Date: Thu, 15 May 2008 13:52:30 +0400
From: "Andrey V. Elsukov" <bu7cher@yandex.ru>
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To: Vivek Khera <vivek@khera.org>
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Cc: freebsd-ipfw@freebsd.org, FreeBSD Stable <freebsd-stable@freebsd.org>
Subject: Re: how much memory does increasing max rules for IPFW take up?
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Vivek Khera wrote:
> I had a box run out of dynamic state space yesterday.  I found I can 
> increase the number of dynamic rules by increasing the sysctl parameter 
> net.inet.ip.fw.dyn_max.  I can't find, however, how this affects memory 
> usage on the system.  Is it dyanamically allocated and de-allocated, or 
> is it a static memory buffer?

Each dynamic rule allocated dynamically. Be careful, too many dynamic 
rules will work very slow.

-- 
WBR, Andrey V. Elsukov