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Posted by Jim on January 28, 2007, 12:23 pm
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> I'm planning to set up a secure "lab" computer which I want to be
> completely isolated from my home "LAN".
>
>
> I was wondering if I can do this while sharing a connection to a cable
> modem.
No. It isn't completely isolated if there is any connection. It is most
certainly not securable if you are sharing a cable connection.
When I was working for a living, the only secure computers which had a
connection to the outside world were those with a dedicated line and
encryption equipment. A dedicated line is most assuredly not cheap.
Jim
>
>
>
> Could I:
>
>
> A) Use two separate routers behind a single cable modem
>
> or
>
> B) Split the connection from the ISP to two separate cable modems.
>
>
>
> If I use a single router's NAT to isolate the home LAN and the "lab"
> computer, wouldn't it still be easy for a problem affecting the "lab"
> computer to possibly damage the LAN? That's why I am thinking of some
> kind of further "physical" separation might provide better isolation.
>
>
>
>
>
> Thanks.
>
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