how to isolate part of a network?

September 22, 2005 at 13:14:44
Specs: Win XP Pro, PIII/833

I've just connected three computers in our office together through a switch, and connected the switch into the facility-provided Internet T1 connection. When I open My Network Connections I can see each of our computers plus some others not in our office! I'm asssuming these are from other offices in the building, all sharing a common T1.

How do I isolate our computers from the others while still retaining our own little three-system network?

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September 22, 2005 at 15:47:53

Put a router in place of the switch to isolate your network from T1. Wireless Routers are the best prced around $30.00 to serve the purpose

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September 22, 2005 at 15:50:16

you really do need to install a router and a firewall as they can see and access you as well...

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September 22, 2005 at 16:40:29

Wow...."plus some others not in our office"

And I thought businesses were more security conscious (snicker).

That reminds me of when the cable company first started offering data in my town. Being an "early adopter" I jumped on their $20/month offer.

I was was wide open. A click on the Windows 98 Network Neighborhood revealed computers all over town.

Hypothetically, someone could have browsed through the sales commission reports of that shop up the street, or, hypothetically, printed humorous messages on some other guy's printer. Or, hypothetically, loaded up another guy's folder of bootleg rock mp3's with a bunch of super-hick classic country tunes. But, of course, someone wouldn't delete or take any information.


> PLEASE CONTRIBUTE to - Report back what did/didn't work for others' reference.<

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Related Solutions

September 22, 2005 at 16:48:11

You don't need a hardware router. You can do it with software and its free. Download Zonealarm. Enter the 3 pcs in ZA on each machine as trusted. Set the rest as untrusted. ZA will block all traffic from other machines on your intranet but allow access between your 3 pcs.

Golly gee wilerkers everyone! Learn to Internet Search

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