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Date: Sat, 22 Mar 2014 15:11:55 +0000
From: RW <rwmaillists@googlemail.com>
To: freebsd-security@freebsd.org
Subject: Re: URGENT? (was: Re: NTP security hole CVE-2013-5211?)
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On Sat, 22 Mar 2014 08:48:40 -0600
Brett Glass wrote:

> This is correct. And that's awkward, because you might not want all of
> these checks in one place. Also, if there are many dynamic rules this
> will slow traffic down quite a bit.

It should be the other way around. Once a flow has been learned it's
just a simple hash-table lookup once you hit the first stateful rule.
In pf most packets bypass the rules altogether.