From owner-freebsd-ipfw Sat Apr 14 14: 3:46 2001 Delivered-To: freebsd-ipfw@freebsd.org Received: from cody.jharris.com (cody.jharris.com [205.238.128.83]) by hub.freebsd.org (Postfix) with ESMTP id 509E937B496 for ; Sat, 14 Apr 2001 14:03:44 -0700 (PDT) (envelope-from nick@rogness.net) Received: from localhost (nick@localhost) by cody.jharris.com (8.11.1/8.9.3) with ESMTP id f3EM9S659751; Sat, 14 Apr 2001 17:09:28 -0500 (CDT) (envelope-from nick@rogness.net) Date: Sat, 14 Apr 2001 17:09:27 -0500 (CDT) From: Nick Rogness X-Sender: nick@cody.jharris.com To: Voutah Cc: ipfw@FreeBSD.ORG Subject: Re: ipfw/natd and MAC adresses In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-ipfw@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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 - Keep on Routing in a Free World... "FreeBSD: The Power to Serve!" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ipfw" in the body of the message