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How to Set Up a Router with a Firewall

If you are a broadband Internet user, the best way to keep malware out of your computer is to set up a hardware firewall. A hardware firewall is an electronic gizmo installed between the broadband modem and your computer. It’s often included as part of the router. A hardware router monitors all incoming and outgoing Internet traffic.

Most wired and wireless routers sold today feature a firewall right out of the box. That’s good news. The better news is that the firewall is most likely configured perfectly for you; there’s really little left to do.

You access the router by using the PC’s web browser to see the router’s firewall configuration screen.

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At its simplest level, the hardware firewall is an on-off type of affair. Some routers may feature an advanced firewall where you can add rules and such, but in most cases the rules are straightforward: Don’t allow in any Internet traffic that wasn’t specifically requested by a computer on the network. This rule pretty much blocks all the Bad Guys from getting through.

  • When you have a hardware firewall, you don’t need to use a second, software firewall.

  • You can test your computer’s firewall by visiting the Gibson Research website and using their ShieldsUP!! program.

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