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Date:      Wed, 02 May 2001 09:36:56 +0200
From:      Casper Dik <Casper.Dik@Sun.COM>
To:        Darren Reed <darrenr@reed.wattle.id.au>
Cc:        gunther@aurora.regenstrief.org (Gunther Schadow), snap-users@kame.net, freebsd-net@freebsd.org, ipfilter@coombs.anu.edu.au, altq@csl.sony.co.jp
Subject:   Re: (KAME-snap 4587) The future of ALTQ, IPsec & IPFILTER playing together ... 
Message-ID:  <200105020736.JAA16563@romulus.Holland.Sun.COM>
In-Reply-To: Your message of "Wed, 02 May 2001 08:00:40 %2B1000." <200105012200.IAA22724@avalon.reed.wattle.id.au> 

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>BPF uses a byte-code language, like Java, to tell the
>matching routine what bits to compare and return a "true or
>false".  i.e. you need to build things around it if you want
>to use it for packet matching, etc.


BPF doesn't seem to lend itself to "keeping state" either.  It's a
packet filtering language that has no provisions for keeping external
state, AFAIK.

Casper

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