MAC security (Re: Question about Wireless)

Richard Bennett richard.bennett at
Wed Nov 28 06:41:14 UTC 2007

On Wed, 28 Nov 2007 00:33:26 +0100, David Vincent  
<dvincent at> wrote:

>> Just out of curiosity, is there any known way (not brute force) to  
>> discover
>> such permitted MAC addresses that script kids can exploit?
> Without any encryption on the wireless network it is trivial to capture
> some packets  (with say, Wireshark) and gather a MAC which is allowed to
> talk on the network...

Yes, but if MAC address access control is active you wouldn't get access  
to the wireless network to do the sniffing.
Do you think you would still be able to monitor the broadcast address and  
ARP packets even if your MAC address had not been whitelisted?


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