I believe you can also tell by the timestamps in the packets.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -------------------------------------------------- From: "ralph" <ralphli...@bsrg.org> Sent: Friday, August 21, 2009 5:38 PM To: "'WISPA General List'" <wireless@wispa.org> Subject: Re: [WISPA] Apartment Buildings > I think it was Earthlink that did have a technology by which they could > see > the different MACs behind a router. I wish I could remember how they said > it > worked. They did tell me that at the time, they were not worrying about > how > many computers were behind your NAT. > > Ralph > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Eje Gustafsson > Sent: Friday, August 21, 2009 3:24 PM > To: 'WISPA General List' > Subject: Re: [WISPA] Apartment Buildings > > Not seen a single solution that can do that. That is the functionality of > NAT to hide what is behind it. I take advantage of it all the time when > I'm > staying in hotels. Use my own AP that allows my wifi enabled devices > access > and connect to the hotels system and I'm paying a single fee for the hotel > that charges for internet. > > Only way to "fight" it in a MTU type environment or even with residential > is > educate the users and strike some fear into them that if they run open APs > they could get in trouble if the others that piggy back on it does illegal > things such as copyrighted filesharing, illegal p0rn or simply are virus > infected and they this way risk getting infected and have their own > computers compromised and become BOT slaves. > > Plus also let them know that they are paying for specific service speeds > and > if they let others use it a lot for free then themselves no longer have > the > speed for themselves and also possible point to the bit cap portion of the > user agreement letting them know that their account could possibly be shut > down prematurely because someone else is using up all their allow bit > count. > > > Some students will not care and there might be two apartment that even > share > the cost of the service and then you cannot do much about it besides maybe > limit per connections etc to choke them out. > > What we do at one location (granted all pre-wired) is that the landlord is > paying a small fee each month but then we provide free internet to the > tenants just fast enough to work for a individual doing normal web > browsing > but then we also provide upgrade service on a for pay basis. The people > that > pay tend to be greedy and want it all to themselves ;) > > /Eje > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Josh Luthman > Sent: Thursday, August 20, 2009 9:56 PM > To: sc...@brevardwireless.com; WISPA General List > Subject: Re: [WISPA] Apartment Buildings > > Mikrotik Hotspot does NOT have the capability of catching people behind > NAT. > > Example: > > Joe buys a WRT54g. WRT54g bridges to the paid wireless network. Joe buys > and account via laptop plugged into WRT54g. Joe plus in an AP behind the > router and broadcasts ESSID "Free Internet". People mooch. > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > "When you have eliminated the impossible, that which remains, however > improbable, must be the truth." > --- Sir Arthur Conan Doyle > > > On Thu, Aug 20, 2009 at 10:51 PM, Scott Carullo > <sc...@brevardwireless.com>wrote: > >> Mikrotik Hotspot between them and the internet.... >> >> Scott Carullo >> Brevard Wireless >> 321-205-1100 x102 >> >> -------- Original Message -------- >> > From: "Joe Laura" <joela...@superior1.com> >> > Sent: Thursday, August 20, 2009 10:17 PM >> > To: "WISPA General List" <wireless@wispa.org> >> > Subject: Re: [WISPA] Apartment Buildings >> > >> > I had a nightmare trying to do apartment complexes. I thought I touched >> on a >> > goldmine when all the signups started comming in. Then as tennants >> started >> > firing up their own A/P's others would connect to them and cancel >> service. >> > How are youll dealing with this? 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