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Date:      Sat, 14 Apr 2001 17:09:27 -0500 (CDT)
From:      Nick Rogness <nick@rogness.net>
To:        Voutah <voutah@detroit.org>
Cc:        ipfw@FreeBSD.ORG
Subject:   Re: ipfw/natd and MAC adresses
Message-ID:  <Pine.BSF.4.21.0104141708070.59736-100000@cody.jharris.com>
In-Reply-To: <KHEMIHGPHOJKPKMGFNDMMEGGCAAA.voutah@detroit.org>

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On Sat, 14 Apr 2001, Voutah wrote:

> Hi,
> 
> My cable provider doesn't allow me to connect more than one computer to the
> modem and they check this using various methods, like portscanning and
> checking MAC addresses. My inside computers (win2k, slackware and win98)
> need to be totally invisible to the outside. Does natd/ipfw hide the inside
> MAC and IP address ? Do I need to take any special precautions ?

	Yes.  Those machines on the inside of your network will not be
	visible from the outside cable network.

Nick Rogness <nick@rogness.net>
 - Keep on Routing in a Free World...
 "FreeBSD: The Power to Serve!"


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