[65577] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: WLAN shielding

daemon@ATHENA.MIT.EDU (Howard C. Berkowitz)
Tue Dec 2 16:59:40 2003

In-Reply-To: <Pine.GSO.4.44.0311262146390.13011-100000@clifden.donelan.com>
Date: Tue, 2 Dec 2003 16:55:46 -0500
To: nanog list <nanog@merit.edu>
From: "Howard C. Berkowitz" <hcb@gettcomm.com>
Errors-To: owner-nanog-outgoing@merit.edu


At 9:51 PM -0500 11/26/03, Sean Donelan wrote:
>On Wed, 26 Nov 2003, David Lesher wrote:
>>  Speaking on Deep Background, the Press Secretary whispered:
>>  > My company is investigating the use of wireless in a couple of our
>>  > conference rooms.  Aside from limiting the scope of reception with various
>>  > directional antennae, does anyone have any suggestions or pointers for
>>  > other ways to limit the propagation of signals (i.e. special shielding
>>  > paint, panels or other wall coatings)?
>>
>>  As I told Andy, you need a "RayProof" or similar brand shielded
>>  conference room. This is Faraday Cage, with a tight-fighting door,
>>  etc.
>
>Uhm, dumb question.  If it is that important, why are you using
>wireless at all?  Why not install a cheap switch/hub in the middle of the
>conference table and let people plug a patch cord from the hub to their
>laptops?
>
>
>Stupid pen-test tricks, instead of using an expensive WiFi scanner and
>cracking WEP; often you can collect better intelligence with a radio
>turned to the frequency used by wireless lapel mics used by executives
>during briefings.

Or by lecturers forgetting them as they went to the bathroom. I only 
did that once.



home help back first fref pref prev next nref lref last post