It can be used with 64 bit machine only. Untangle Gateway is a
Untangle 7.1 includes a host of new features and improvements: hierarchical policy management - managing multiple policies is now much more productive, with much less task repetition; automated sessions ending - sessions are now automatically ended is the user's policy changes at a point in time; safe search - Esoft web filter can now enforce safe search for popular search engines, such as Google; password override - administrators can now allow for block pages to be bypassed using a password.

About Untangle

Debian-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, VPN, SSL VPN, firewall etc...