MAC security (Re: Question about Wireless)
dvincent at sleepdeprived.ca
Tue Nov 27 23:33:26 UTC 2007
Felipe Figueiredo wrote:
> Em Tuesday 27 November 2007 12:45:26 Nils Kassube escreveu:
>> MAC filtering means that the AP only talks to a known set of MAC
>> addresses. It isn't secure because you can set some (maybe all?) wireless
>> cards to arbitrary MAC addresses - but there are problems doing it. 1) It
>> may be illegal. 2) If the real owner of that MAC address is active there
>> will be lots of collisions and possibly both clients can't do anything
> Interesting. I assume one would have to know beforehand of a permitted MAC in
> order to use this attack vector.
> 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...
Have a peek at the Linux distribution "Backtrack". BT3 looks quite
...and it's called "wardriving" not "wordriving". :)
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