Would not let someone with a -90 even connect :) Dennis Burgess, CTO, Link Technologies, Inc. [email protected] - 314-735-0270 - www.linktechs.net
-----Original Message----- From: Af [mailto:[email protected]] On Behalf Of Adam Moffett Sent: Tuesday, June 16, 2015 3:49 PM To: [email protected] Subject: Re: [AFMUG] vehicle tracking systems and open WiFi hotspot I have not seen the UA_ hostnames, but wifi hotspots in public places will pick up tons of phones and tablets and whoozits that are just passing by. The only action I would take is to be even more aggressive on the lease time. A 10 minute lease will not hurt anybody. On 6/16/2015 4:27 PM, Ken Hohhof wrote: > Fast food franchise at tollway oasis had us set up an open guest > hotspot as a Virtual AP on their Mikrotik, and we see random WiFi > connections and DHCP leases for MAC addresses starting with 00:16:A4 > and hostnames starting with UA followed by a bunch of numbers. The > WiFi signal is always low, around -90. > > Doing some research on the web, I think this may be due to vehicle > tracking systems, I'm not sure if these are vehicles in the parking > lot or whizzing by on the tollroad. Also not sure if they are from > the vehicle or the intermodal container it is carrying. > > I'm not sure it is a big problem, we have the DHCP lease time set to > 30 minutes. > > Has anyone else run into this, and if so, did you take any action? I > guess we could block connections from those MAC addresses, or maybe > set a higher signal threshold to connect. Or maybe we should just let > them check their location or call the mothership or whatever they do. > > BTW, don't say this is a DOS attack trying to exhaust the DHCP leases, > they dribble in 1 or at most 2 at a time. If we had the DHCP leases > set to 30 days, it could be a problem unless we expanded the pool. >
