LANguard patrolling firewall - Version 1.0 LANguard - patrolling firewall that guards against internet & network misuse. LANguard monitors all network traffic to protect against; External threats (hackers), Internal threats (users accessing shares they are not authorized) and unproductive use of the Internet (such as users accessing offensive sites or using IRC etc.). LANguard provides a comprehensive tool set to effectively implement network & internet security, as well as extensive internet usage reporting tools. It also features alerts to allow you to take action based on certain rules. LANguard is easy to install and requires no network re-configuration or TCP/IP/firewall know how.