From owner-freebsd-security Mon Dec 11 12:50:44 2000 From owner-freebsd-security@FreeBSD.ORG Mon Dec 11 12:50:42 2000 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from homer.softweyr.com (bsdconspiracy.net [208.187.122.220]) by hub.freebsd.org (Postfix) with ESMTP id BFEE637B400 for ; Mon, 11 Dec 2000 12:50:40 -0800 (PST) Received: from [127.0.0.1] (helo=softweyr.com ident=Fools trust ident!) by homer.softweyr.com with esmtp (Exim 3.16 #1) id 145Zxl-0000D0-00 for freebsd-security@freebsd.org; Mon, 11 Dec 2000 13:54:21 -0700 Sender: wes@FreeBSD.ORG Message-ID: <3A353EFC.C36F95AA@softweyr.com> Date: Mon, 11 Dec 2000 13:54:20 -0700 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.75 [en] (X11; U; Linux 2.2.12 i386) X-Accept-Language: en MIME-Version: 1.0 To: freebsd-security@freebsd.org Subject: Re: DHCP beats MAC Address References: <01ee01c0632a$bdffad40$9214a8c0@plasmo> <001801c06334$3bcfd7a0$cc02a8c0@columbia.mentis.org> <001201c06336$aecd5550$aa240018@cx443070b> <20001211005915.D9158@pir.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Peter Radcliffe wrote: > > Jeremiah Gowdy probably said: > > Indeed, the cable modem does remember your MAC address, HOWEVER, rather than > > resetting it, if you use DHCP, and you're using one of the services like > > @Home that has an account number for the address, like CX13245125-A, then > > the second computer to DHCP with the account number gets the address without > > Every cable modem I've seen in the US, although I have not seen the > @home ones, filters on MAC addresses and only allows N through (where > N is normally one or you pay for more). The cable modem lets through > the first N MAC addresses it sees. > > In this case you have no choice but to reset the modem or change the > MAC address. Or use a NAT router. FreeBSD works admirably. ;^) -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message