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Posted by:boudewein
Subject:Discover known, but idle smartphones?
Date:23:25:05 14/12/2011

Thanks Dragorn.

Luckily push enabled smartphones are very chatty and query the servers every few minutes.


> > So is there a workaround without modifying the smartphone or the APs?
> >
> > Setup:
> > - The smartphone is connected to a known SSID.
> > - Root access to the APs
> > - Single AP in monitor mode running Kismet
> > - The smartphone's MAC address is known.
> If you have access to the AP association table, correlate by polling that from your central monitor.
> Otherwise, no - unless you send traffic to wake up the phone (not nice) you can't do much.
> To compound your problem, a lot of phones (ie, android) default to disassociating wifi entirely when the screen is off, unless the user picks a more aggressive setting. It's not just idle - it's no longer on the AP. It will rejoin when they turn the phone back on. iPhone has some form of disassoc while off as well I believe.
> Sorry for the bad news.

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