full-disclosure - Wi-fi. Approaching customers

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From: rsumida at csulb.edu (Ryan Sumida)
Subject: Wi-fi. Approaching customers

According to the sales engineer that came in, a directional antenna / amp 
would not fool the system on where your location is.  I think it is using 
a combination of triangulation along with the RF fingerprint to calculate 
where you are. 

--Ryan

full-disclosure-bounces@...ts.grok.org.uk wrote on 03/15/2005 05:08:19 PM:

> 
> Would guess so,
> 
> but this would be easily overtaken by using directional antenna / 
amplifier :)
> 
> 
> 
> to add my 0.1 GBP, we have written to NHS in UK on one occasion couple 
of years
> ago, warning them on them having open wireless link. The response was 
somewhat
> ridiculous that they employ CCNA, so they have nothing to worry about.
> We left it there...
> 
> Until last December, when this wireless link was shown to the reporter 
from
> Sunday Times, who mentioned it in the article
> http://www.timesonline.co.uk/article/0,,2087-1409124,00.html
> 
> The response from NHS was ridiculous again, that they do not use the 
link, also
> you can see OSPF updates flying around ;)
> 
> Some people never learn.
> 
> 
> -- 
> Respectfully,
> Konstantin V. Gavrilenko
> 
> Arhont Ltd - Information Security
> 
> web:    http://www.arhont.com
>    http://www.wi-foo.com
> e-mail: k.gavrilenko@...ont.com
> 
> tel: +44 (0) 870 44 31337
> fax: +44 (0) 117 969 0141
> 
> PGP: Key ID - 0x4F3608F7
> PGP: Server - keyserver.pgp.com
> 
> 
> 
> KF (Lists) wrote:
> > hrmm... is that based on signal strength or something?
> > -KF
> > 
> > Ryan Sumida wrote:
> > 
> >>
> >> As a side note..
> >>
> >> Newbury Networks has a product called WiFi Watchdog that can 
> >> allow/deny access based on physical location.  As an example, it can 
> >> be configured where anyone outside the building walls can not connect 

> >> to the network but once they move inside the building they are 
allowed 
> >> access.  Sounds like black magic but it works (a rep came down and 
> >> showed us a demo yesterday) and can help manage who gets on an open 
> >> WiFi network like Matthew's.
> >>
> 
> 
> 
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