Web filter, traffic monitor, network filter

Active Wall Professional -- 100 License, 30-day evaluation.
Professional network filtering software, provides Internet surf control for LAN. The main features are port filter, web filter, smtp filter, pop3 filter, p2p filter, im filter, ftp filter, dns filter, https filter, ip filter, mac filter, time filter, traffic monitor, bandwidth control, authorization etc. It provides continuous enterprise-wide protection, enabling businesses to protect their corporate assets.

Active Wall Web Filter -- 10 License, free!
Free web filtering software, includes url filter, mime filter, web category filter, web content filter, post keyword filter, upload file filter, traffic monitor.