This way you can avoid being infected by trojans or spyware, stopping them way before they get into your hard drive. Apart from that, the application lets you monitor ports to manually check that there is no suspicious transfer of information.
One of the main benefits of this application is that it hardly consumes any resources, which means you can run it on almost any computer without affecting its performance. That's a really essential requirement for this type of application.
MCS Firewall is a great firewall that efficiently increases your computer's security.
Trial version works for 30 days