Smoothwall provides web filtering and online security products. Guardian Web Filter blocks undesirable content, prevents the use of anonymous proxies, and monitors in real-time. Available as a software, hardware and virtual solution. Guardian Web Security boasts top-rated anti-malware protection, as well as the filtering features of Guardian Web Filter. Available as a software, hardware and virtual solution. Unified Threat Management (UTM) is a powerful system combining network security, advanced firewall, web content filtering, malware protection, VPN, anti-spam and more. Available as a software or hardware solution.