Date: Fri, 27 Apr 2001 20:00:40 -0500 (CDT) From: Nick Rogness <nick@rogness.net> To: Rick Duvall <maillist@coastsight.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: IPFW and MAC Addresses Message-ID: <Pine.BSF.4.21.0104271957180.60346-100000@cody.jharris.com> In-Reply-To: <Pine.BSF.4.21.0104271627330.46277-100000@ns1.coastsight.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 27 Apr 2001, Rick Duvall wrote: > Is there a way to do IPFW on a MAC Address level? What I am wanting > is to only allow certain NIC's to pass packets to the Internet, as > long as those specific NICs have a certain IP address. > > Reasoning: I have a wireless LAN I am providing internet over to > customers. Like all wireless lans, it is layer 2. So, I can see the > MAC address on the customer's end. But, I don't want the customer to > be able to just grab any IP address they can get their hands on. I > want to assign them 1 IP address, and have it so that if they use any > other IP address other than that one, they won't be able to pass any > packets on my network. > > Is this possible? I believe you can "hardwire" their MAC in your arp table (arp -s) forcing only certain IP's to have certain MAC's Nick Rogness <nick@rogness.net> - Keep on Routing in a Free World... "FreeBSD: The Power to Serve!" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0104271957180.60346-100000>