Provide 2 WAN ports for Load Balance and outbound fail-over function to ensure Internet service always available Provide 4 ports of 10/100M Ethernet for connecting to a home or office network Support Priority QoS by source and destination IP, MAC address and QoS-ToS service types for best resource allocation Provide firewall protection based on DoS, SPI, Ping to Death, Port scan and Access Control Support URL filter, Access filter and session limit for restricting inappropriate transmission Support multi-DMZ, Virtual Server and Special Application functions for Internet Service hosting Support IPsec and PPTP VPN Pass Through Support DDNS for dynamic IP environment Support Universal Plug and Play (UPnP) for peer-to-peer network connectivity Support NAT to share single account with multiple workstations Support easy management via Web UI, SNMP, Email alert and Syslog Firmware upgradeable for further function enhanced