Re: (In)security of wireless LANs and the Cisco Wireless Security Sui te

[John Adams <jna () retina net>]

On Tue, 4 Nov 2003, R. DuFresne wrote:

> to be on premisses to use, if the AP's are properly tuned so as to not
> braodcast outside the building perimiters <and this means walking the
> grounds with a wireless sniffer to ensure> then your risks are again
> reduced.

There are a limited number of wireless cards that can have their output 
power reduced (tuned, as you say) but that will never ensure any form of 
protection against a determined attacker. 

While your wireless -card- may not be able to see the airport, someone who
really wants in to your network can drive across the street, set up a
24dbI (or greater) directional antenna on a tripod, aimed squarely at your
AP, and they'll see your network. 

-john

-- 
J. Adams                                        http://www.retina.net/~jna


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