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Date:      Thu, 22 Nov 2001 10:48:59 +0200
From:      Sheldon Hearn <sheldonh@starjuice.net>
To:        "Dave Raven" <dave@raven.za.net>
Cc:        freebsd-security@FreeBSD.org
Subject:   Re: Best security topology for FreeBSD 
Message-ID:  <18259.1006418939@axl.seasidesoftware.co.za>
In-Reply-To: Your message of "Wed, 21 Nov 2001 19:25:12 %2B0200." <005f01c172b1$7a8503c0$3600a8c0@DAVE> 

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On Wed, 21 Nov 2001 19:25:12 +0200, "Dave Raven" wrote:

> With IPFilter this is not so, IPNat runs in the kernel and should be faster.
> If you are planning on large usage I would recommend IPFilter (less load)
> and IPNat.

I'm having trouble with IPFW+natd servicing a high-volume web cluster.
I'm finding that natd hogs just about all available cycles on one of the
two PII CPUs in the box.  The throughput of through the firewall has
also dropped since I migrated from the Linux IPchains monster we had
before.

I'll post my findings in follow-up later this month.

Ciao,
Sheldon.

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