Software firewalls are installed on your computer (like any software) and you can customize them; allowing you some control over its function and protection features. A software firewall will protect your computer against outside attempts to control or access your computer and, depending on your choice of software firewall, it could also provide protection against Trojan horses or most common email worms. currents. Many software firewalls have user-defined controls to configure secure file and printer sharing and to prevent dangerous applications from running on your system. Additionally, software firewalls may also integrate privacy controls, web filtering, etc. The downside of software firewalls is that they will only protect the computer they are installed on, not the network. Each computer must therefore have a