Re: MAC Filtering

From: Mark (
Date: 2001-12-16 17:58:03 UTC

On Sunday 16 December 2001 09:18, you wrote:
>�On Sun, Dec 16, 2001 at 09:53:37AM +0000, hristo wrote:
>�> How hard would be to implement MAC Filtering in Host AP?
>�> Just a text file with list of allowed MACs and Driver to
>�> check against every MAC and reject not listed MACS in that
>�> file (if file is empty All MACS are allowed). I think it
>�> would be fery nice and usefull Feature...
>�It would be trivial to add MAC filtering to station authentication,
>�but I do not fully agree with this being useful. If this is seen
>�as an security mechanism, it would just create a false illusion of
>�security. It is easy to sniff a usable MAC address and then change
>�a station to use that MAC.
>�If it is understood that MAC filtering does not really add any real
>�security and there is another use for it, I might consider adding
>�it. In addition, I would prefer this as a more generic method for
>�passing authentication handling to a userspace daemon.


New to the list and this is the first message that I see coming in. We are a Wireless ISP in Ohio. While I will agree that MAC filtering is not any type of "real" security tool, it does keep honest people honest, much like locking your car door, won't stop a car thief from smashing your window and hotwiring you buggy, it will stop the average guy from opening the door and looking inside. Mac filtering will also stop the accidental usage of ones system as well and give more control of the wireless system to the admins.

We use it to help remind people when they are very late on paying there bill. ;-)

Mark Worstall
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