2 Gigabit WAN ports, 2 Gigabit LAN ports, 1 Gigabit LAN/DMZ port and a console port;Supports multiple VPN protocols including IPsec/PPTP/L2TP, which helps users establish their VPN more flexibly;Supports up to 50 IPsec VPN tunnels with a hardware-based VPN engine;Abundant security features including ARP Inspection, DoS Defense, URL/Keyword Domain Filter and Access Control;Deploys One-Click restriction of IM/P2P applications to manage staff online behavior;Professional 4kV lightning protection keeps your investments as safe as possible