The best way to avoid damage to your computer is to limit what can access it. Personal Firewall Software will prevent unauthorized incoming traffic to your computer, as well as prevent the contraction of a virus or spyware program.
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An Introduction to Personal Firewall Software
The best way to avoid damage to your computer is to limit what can access it. Preventing incoming traffic that is unauthorized is one way to prevent the loss, corruption, or comprise of your personal information, as well as prevent the contraction of a virus or spyware program.
A personal firewall is an application which monitors and controls all of your network traffic. For a personal computer, it limits incoming and outgoing traffic, as well as regulates which ports are open and closed. Think of a firewall as a border-crossing station: at any given time, certain routes may be open, while others are closed.
A good firewall will have the following features:
Port regulation: This closes some doors while leaving others open. The user should also be able to configure which ports are open and closed.
Application control: The firewall should be able to remember which applications are granted internet access and which applications aren’t. Also, it should be able to alert you whenever an application that is not recognized is attempting to access the internet.
Real-time monitoring: It should run constantly, ensuring that there are no opportunities for something to gain access to your computer.
