Find 'n' Block Personal Firewall - Version 3.0 Find 'n' Block Personal Firewall is designed to prevent outsiders from accessing your network. This software is made to evaluate each connection request as it is received. All connections requests from unauthorized applications are blocked. The software accomplish this by screening the network application and displaying detailed information about all connections. This is advanced easy to use software with ability to detect and filter Trojan connections, preventing your system from the damage and chaos some hackers may cause.