Date: Mon, 11 Dec 2000 01:15:35 -0500 (EST) From: Mitch Collinsworth <mitch@ccmr.cornell.edu> To: freebsd-security@FreeBSD.ORG Subject: Re: DHCP beats MAC Address Message-ID: <Pine.LNX.4.10.10012110112110.16586-100000@opal.ccmr.cornell.edu> In-Reply-To: <20001211005915.D9158@pir.net>
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On Mon, 11 Dec 2000, Peter Radcliffe wrote: > Jeremiah Gowdy <data@irev.net> 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. > > This has been hashed through on several FreeBSD lists before. Well like you said you haven't seen the @home setup. Jeremiah's description matches my experience with @home. You can use multiple systems (i.e. mac addresses) without resetting the cable modem, but you have to re-use the account #. -Mitch To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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