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Date: Tue, 20 Jun 2006 22:57:30 +0200
From: Phil Regnauld <regnauld@catpipe.net>
To: Brett Glass <brett@lariat.org>
Message-ID: <20060620205730.GC3968@catpipe.net>
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Cc: net@freebsd.org
Subject: Re: Best way to block a long list of IPs?
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Brett Glass (brett) writes:
> 
> I've got an application in which I must block incoming TCP 
> connections to a FreeBSD server from a potentially large list of IP 
> addresses. Using IPFW is not a very efficient way to accomplish 
> this, because it must do a linear search of a list (either one 
> address per rule or an "or" list in a rule) and this could slow 
> down every packet entering the machine dramatically.

	pf tables are VERY efficient -- man pf.conf