1.firewall, VPN, PPPoE server,QOS,NAT 2.10/100/1000M LAN/WAN/DMZ port 3. VPN pass-through of L2TP, PPTP and ... encryption algorithm, MD5/SHA-1 hash algorithm, main mode and aggressive mode, Anti-Replay and NAT Traversal.3 WAN Ports and NAT3 WAN ports are ... Interface:Web, CLI,Xport HiPER ManagerApplication:enterprise routers UTT 5830G 3 WAN 1 LAN gigabit firewall for medium and large-sized enterprises