Software by SolidShare Inc:

SolidShare Firewall provides firewall security and Internet sharing (modem sharing, cable-modem sharing, ISDN sharing, or ADSL sharing) on your LAN. This allows you to connect anyone on the network to the Internet with only one ISP account and one modem. After installing SolidShare, anyone on the local network will be able to transparently and securely access the Internet. The built-in firewall can prevent resource exposure and defend from attack

SolidShare Analyzer can parse the log files generated, generate report on bandwidth utilization and possible security problems use both graphical and text formation.