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.