Date: Thu, 22 Feb 2001 12:06:32 -0500 From: Dennis <dennis@etinc.com> To: Colin Campbell <sgcccdc@citec.qld.gov.au>, David Wilson <davew@sai.co.za> Cc: FreeBSD Mailing List <freebsd-isp@FreeBSD.ORG> Subject: Re: Filtering connections to ftpd by mac address ? Message-ID: <5.0.0.25.0.20010222115920.043cd3f0@mail.etinc.com> In-Reply-To: <Pine.BSF.4.21.0102220757470.59165-101000@guru.citec.qld.go v.au> References: <NEBBJFIIGKGLPEBIJACLKENPDBAA.davew@sai.co.za>
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At 04:59 PM 02/21/2001, Colin Campbell wrote: >Hi, > >Filtering on MAC address is very restricted. You can only do machines on >the same network segment. After that all you see is the router's MAC >address. > >Colin This is a somewhat short-sighted view of the world with today's multitude of "bridged" environments. for example, DSL and wireless links are usually bridged, so your customers MAC addresses are appearing on your network. Many of the customers for our ET/BWMGR for freebsd, which allows filtering and bandwidth management by MAC address, use our product to: 1) Only allow specific MAC address access to the network or service 2) Only allow specific devices access to an internal server 3) Control traffic by MAC address. This works nicely whether you are controller the customers router/proxy and there are many workstations behind it, or whether they have individual machines and you are using DHCP to allocate addresses. 4) Keep track of how much traffic each MAC address/customers uses for info, see www.etinc.com regards, Dennis Baasch > On Wed, 21 Feb 2001, David Wilson wrote: > > > Hi guys, howzit going ? > > > > Any ideas on how to filter connections to ftpd based on mac address ? ;-) > > I have looked into ipfw and tcp wrappers, but both only seem to be able to > > do IP addresses. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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