Solved How Do I *NOT* Connect to the Internet on a Networked PC?

August 21, 2015 at 09:30:38
Specs: Windows XP SP3, N/A
I want to hang a computer for audio and video production on my wired network, where I can see and access shared folders on other computers in the office. But I DON'T want this production computer visible over the Internet, nor do I want to access the Internet via this machine. As far as the Web is concerned, this machine doesn't exist even though it's wired right into the tangle of Cat5 cabling that connects our office.

Certainly it's a router/firewall configuration solution, but we're not sure how to proceed. Happy to hear from the experts, and thanks ahead of time.

Al Peterson
Washington DC

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August 21, 2015 at 09:57:01
Set up rules in your firewall blocking all inbound and outbound traffic to/from that IP address. How you do that rather depends upon your equipment. One would hope that none of your computers are visible over the Internet other than ones that you have placed in a DMZ.

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August 21, 2015 at 11:14:59
✔ Best Answer
If you remove the default gateway IP from the TCP/IP settings for this device, it will not be able to access the internet. That's the quick, simple way to prevent it from accessing the internet.

I would recommend you use a static IP on this box as compared to DHCP. Especially if it's going to be acting as any kind of a server.

As to external traffic coming into your unit from the internet, it should be blocked by default by your firewall. If it's not, your whole LAN is wide open begging to be hacked. Most typical firewall's come setup to prevent any/all inbound traffic to LAN clients and you actually have to manually configure port forwards to access internal computers.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

message edited by Curt R

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