... and manual key, ESP/AH protocols, DES/3DES/AES encryption algorithm, MD5/SHA-1 hash algorithm, main mode ... to update the policy database. Key Features 1. Support connection via DSL, FTTx+LAN and ... NAT, reverse NAT, HTTP, IKE, ISAKMP, ESP, AH, MD5, SHA-1, DES, 3DES, AES, L2TP, PPTP, IPSec over ... ManagerApplication:enterprise routers UTT 5830G 3 WAN 1 LAN gigabit firewall for medium and large-sized ...