The SifoWorks U-series firewall is a multi-function secure gateway system which can effectively defend against the ever-evolving network attacks and hacker intrusions. With the U100 or U200 systems, you can monitor and manage the employees’ inappropriate Internet behaviors and activities, as well as their email traffic, thus providing a safeguard against abuse of company resources. SifoWorks U-series is a choice investment for any enterprise of the 21st century.