Firewall is a software application that controls incoming and outgoing network traffic for computer. Personal firewall is targeted for End users and typically protects one computer.
Here are key benefits of using a personal firewall
- Monitor and controls all incoming and outgoing traffic.
- Prevent unsolicited traffic by hiding the computer from automated scans.
- Prevent unwanted traffic from local applications.
- Warn the user about outgoing connection attempts and then allows users to choose which programs can access internet/network.
- Provide information about the application and server trying to communicate with computer.
Firewall is one of the key components of PC security as it constantly filters and monitors network traffic.
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[...] Installing a firewall on your computer is one of the most effective ways to protect it from attacks or other possible causes of damage to your system. However, there are several types of firewall programs (paid or free versions) to choose from that it is important to evaluate them one by one before settling for a choice. [...]