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Date:      Fri, 19 Jul 2002 22:26:55 +0200 (CEST)
From:      "=?iso-8859-1?Q?Arvinn_L=F8kkebakken?=" <arvinn@whitebird.no>
To:        <sabri@cluecentral.net>
Cc:        <Danny.Carroll@mail.ing.nl>, <bart@dreamflow.nl>, <security@freebsd.org>
Subject:   RE: ipfw and it's glory...
Message-ID:  <4181.217.118.33.65.1027110415.squirrel@everlast.whitebird.no>
In-Reply-To: <20020717153409.Y86012-100000@doos.cluecentral.net>
References:  <6C506EA550443D44A061432F1E92EA4C6C5364@ing.com> <20020717153409.Y86012-100000@doos.cluecentral.net>

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>> But it's source port will be 53.  So you can put in a rule for that.
>> Plus it's only 1 or 2 servers so you can put in special rules for
>> them.
>
> Unless you run a local dnscache (which I would do).
>

So what? The scenario is the same! Even though it's cahing dns info it
have to go out there to get the info in the first place. Computers on the
inside segment though doesn't need to get through the firewall to port 53,
but the dns server itself has to!

Arvinn




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