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Date:      Wed, 19 Sep 2001 00:05:34 -0400
From:      Anthony Schneider <aschneid@mail.slc.edu>
To:        "Marc G. Fournier" <scrappy@hub.org>
Cc:        freebsd-security@FreeBSD.ORG, freebsd-net@FreeBSD.ORG
Subject:   Re: ipfw problems ...
Message-ID:  <20010919000534.A83486@mail.slc.edu>
In-Reply-To: <20010918230726.M30377-100000@mail1.hub.org>; from scrappy@hub.org on Tue, Sep 18, 2001 at 11:14:50PM -0400
References:  <20010918134410.P87162-100000@atelier.acadiau.ca> <20010918230726.M30377-100000@mail1.hub.org>

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it might have something to do with the prereleasenature  of the machine.
-Anthony. 

On Tue, Sep 18, 2001 at 11:14:50PM -0400, Marc G. Fournier wrote:
> 
> I recently setup a box on our network, running FreeBSD 4.4-PRERELEASE,
> with ipfw and dummynet to do bandwidth shaping as well as firewalling ...
> 
> The machine is a Dual PIII 733 w/1gig of RAM and 2xfxp0 devices ...
> 
> I've got an /etc/fw.rules file that has ~1200 rules in it so far, and
> still have more that I want to put in, but today the machine locked up
> solid ...
> 
> I ended up re-starting the machine with fw set to open, and loaded a few
> rules at a time ... got up to 747 rules before the machine pretty much
> ground to a halt, with the occasional keystroke going through ...
> 
> ~900 or so of the rules are purely 'pass thru' rules ... we have two
> connections to the internet ... one that costs us nothing, and one that
> costs us quite dearly ... we want to allow all traffic that goes to sites
> on the 'costs us nothing' network to go through unimpeded, while that
> which goes through the 'costs us quite dearly' to be 'shaped' ... th ~900
> rules are the ones that define those b-class networks that are on the
> 'costs us nothing' network ...
> 
> I'm not seeing any errors on the console to indicate a problem, it just
> slowly grinds to a halt ... is there a setting in the kernel, or
> somewhere, that I should be setting to allow fur such a high number of
> rules, or is it just not possible to do more then a few hundred? :(
> 
> Thanks
> 
> 
> 
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