UBIQUITI NETWORKS USG USG UniFi Security Gateway Enterprise Router with 3 Gigabit Ports Integration with UniFi Controller, bundled at no extra charge, the UniFi Controller software conducts device discovery, provisioning, and management of the UniFi Security Gateway and other UniFi devices through a single, centralized interface. Powerful Firewall Performance, UniFi Security Gateway offers advanced firewall policies to protect your network and its data. VPN Server for Secure Communications, a site-to-site VPN secures and encrypts private data communications traveling over the Internet. Powerful Firewall Performance, UniFi Security Gateway offers advanced firewall policies to protect your network and its data.