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I'm sorry if I missed several crucial points in your message--as it appears 
I did. I was in a bit of a hurry at the time.

My concern continues in one area. It seems you have your PCs and your cable 
modem all on a single LAN and yet you expect to have one of the PCs serve 
as a gateway. I am not sure it is possible to do this--at least not and 
also insure good security. If you put two NICs in one PC, then you can 
accomplish that by running Windows 98SE or WinME or Win2K and running its 
Internet Connection Sharing module--or by running some third-party software 
to accomplish the same thing. But trying to do that with a single NIC 
presents some pretty severe, if not insuperable, problems.

When sharing the modem connection, you had the independent route out of 
your one PC via the modem--independent of the route via the LAN to the 
other PC. So that configuration can work just fine. It's just when you are 
using the cable modem that I think you need more hardware somewhere. (And I 
continue to recommend a firewall appliance.)

      John

At 05:02 PM 5/16/01 +0100, you wrote:
>Hello John,
>First let me say thanks for looking at my post but I think you read it so 
>fast that you missed some of the details which you say are missing!

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John M. Goodman, Ph.D., author of "Peter Norton's Inside the PC," Seventh 
Edition (Sams 1997, ISBN 0-672-31041-4), and Eighth Edition (Sams 1999, 
ISBN 0-672-31532-7).
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