Unifi Security Gateway (USG)

Key Features of the UniFi Security Gateway (USG):

1. Routing & Firewall

   • Supports static routes, policy-based routing, and advanced firewall rules.

   • Stateful packet inspection (SPI) and intrusion detection/prevention (IDS/IPS) in newer models (USG-Pro and USG-3P with firmware updates).

2. VPN Support

   • Site-to-site VPN (IPSec, L2TP, OpenVPN).

   • Remote access VPN for secure connections.

3. Deep Packet Inspection (DPI)

   • Monitors network traffic by application type (requires controller-based management).

4. VLAN & QoS Support

   • Supports VLAN tagging and Quality of Service (QoS) for traffic prioritization.

5. Integration with UniFi Controller

   • Managed via the same UniFi interface as other UniFi devices (APs, switches).

   • Single-pane monitoring and configuration.

6. Failover & Load Balancing

   • Dual-WAN support for redundancy or load distribution.

Common Use Cases:

• Small to medium businesses (SMBs).

• Home labs or advanced home networks.

• Branch office deployments with VPN connectivity.