How to Change Your Firewall Settings If Two PCs Are Behind a Router & a Gateway
Change your firewall settings for two PCs you use behind the same router and gateway to ensure uniform security settings for both PCs. Windows' firewall utility allows you to control the configuration of the firewall, a security feature that protects computers on the network from malicious software and piracy. When you're logged in to either computer as the network administrator, adjustments you make apply to all computers on the network.
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Instructions
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Log in to either of the computers as the network administrator. If you don't have network administrator credentials, you must change the firewall settings for each computer separately.
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Select "Control Panel" from the Windows "Start" menu, then input "Firewall" in the "Search" box. Hit "Enter."
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Choose "Windows Firewall." Modify any of the settings for the firewall that appear on the screen, then click the "OK" button to apply changes.
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Tips & Warnings
If you don't have network administrator preferences, your network administrator may have made it impossible for you to access or edit the firewall settings at all. If you can't load the Windows Firewall menu on your computer, contact your network administrator to make changes to the firewall.
