Cost of attaching 3 computers to 1 cable

Post #34,632 by Steven A S 4/7/02 10:07:11 AM Reply	Cost of attaching 3 computers to 1 cable I know the question has been asked before, I just don't remember the final answer. Cable internet services have finally hit Grand Forks, and I want to hook up my three computers through my D-Link DI-713P. My concern is that the company wants to charge 5.95/mo for each additional computer. My question to others here is between the IP masquarading and MAC spoofing, is there any way they can even know that I have more computers connected than I originally set up with? ~~~)-Steven---- "I want you to remember that no bastard ever won a war by dying for his country. He won it by making the other poor dumb bastard die for his country..." General George S. Patton
Post #34,634 by Andrew Grygus 4/7/02 11:28:14 AM 4/7/02 11:45:25 AM Reply	$90 to $140 If you shop around, you can probably find the Linksys router for about that ($140 of you need the 4-port switch). It would be possible to detect that more than one computer was involved. The router uses "single address NAT", and sets the originating port address uniquely for each workstation so it can route the replys. That means someone could analyze your packet stream and see that more than one computer was involved because there would be multiple port addresses and they would not be standard port addresses. I doubt cable companies do that. [link\|http://www.aaxnet.com\|AAx] Edited by Andrew Grygus April 7, 2002, 11:45:25 AM EDT Expand All History
Post #34,636 by Steven A S 4/7/02 12:57:57 PM Reply	Already have the router That's the D-Link I mentioned. I'm just checking to see if I should expect to have to pay the extra $5.95 to connect my other computers when I want to, even though I'm going to be the only one using any of the connections. As far as the originating port was concerned, I was under the assumption that the originating port was random (on unpriviledged ports) anyway. ~~~)-Steven---- "I want you to remember that no bastard ever won a war by dying for his country. He won it by making the other poor dumb bastard die for his country..." General George S. Patton
Post #34,811 by bepatient 4/9/02 1:28:00 AM Reply	They won't know... ....gofer it dude. Have them set it up on whatever windows machine you want....then redo it when they leave with the router... Noone will ever know...except maybe you. You were born...and so you're free...so Happy Birthday! _{Laurie Anderson} [link\|mailto:bepatient@aol.com\|BePatient]
Post #34,822 by Steven A S 4/9/02 6:40:43 AM Reply	Thanks All
Post #34,637 by a6l6e6x 4/7/02 1:13:24 PM Reply	Off hand, w/o dynamic analysis, I think it would difficult for an ISP to tell the difference between what you describe and a single PC running multiple instances of a browser. Frankly, I do not think they care. To support multiple PCs normally, they have to issue you multiple IPs. That costs them something. That is what they are charging for. Here in Charlotte, it's $10/month. From the ISP's point of view, with your D-Link, you would be operating over a single IP. Alex "Never express yourself more clearly than you think." -- Neils Bohr (1885-1962)

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