Jeff Gaines wrote:
....
>>> the network. With this, you can also set it to only allow certain MACs
>>> to connect to the network.
>>
>> Which will provide a somewhat illusory sense of security. MAC
>> addresses are trivial to spoof.
>
> I always get a bit worried by statements like that since I use MAC
> addresses to control access to my wireless network :-(
>
> Can you expand a bit, or point me to an article? I had always worked on
> the assumption that somebody would need to sit within range of my
> wireless network and tinker for a while (?hours) to discover my MAC
> addresses, is that wishful thinking?
>
Yes.
I just took a quick look here. I've got kismet running on a freebsd
machine; I'm using WEP (I'd prefer WPA but thanks belkin :-( ). kismet
happily tells me the MAC addresses on the wireless LAN (and the LANs it
can see, for that matter). Took about a minute to boot up and remember
how to run it :-)
There are packages around that purport to crack WEP data given a
reasonable amount of traffic. I've not tried them.
And having found a good MAC, well, it's a one liner on bsd, several
clicks on XP, to change your own MAC to that one.
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