Active Wall Traffic Monitor is a free real time network traffic monitor software for LAN. It can monitor more than 1,000 computers at the same time. It displays speed, packets, bytes of each computer and provides traffic statistics, net flow.
Active Wall is a professional gateway filtering software. The main functions are port filter, web filter, smtp filter, pop3 filter, im filter, ftp filter, dns filter, ip filter, mac filter, time filter, traffic monitor, bandwidth control, authorization.
Note: When you first run the program, you will be asked for login details. Just click "login" and the program will start. You can modify login details after the program starts.