Back to the 3Com 3CR858-91

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  Setup Wizard LAN Settings Internet Settings Firewall VPN SNMP System Tools Advanced   Routing   DDNS Status and Logs Support/Feedback    Advanced     NAT Allows you to turn NAT on or off. --> NAT ON   OFF IPSec NAT-T Pass-through On   Off     Universal Plug and Play The Universal Plug and Play architecture offers pervasive peer-to-peer network connectivity of PCs of all form factors, intelligent appliances, and wireless devices. Universal Plug & Play enables seamless proximity networking in addition to control and data transfer among networked devices in the home, office and everywhere in between. --> Universal Plug & Play ON   OFF     WAN Ping Blocking You can configure the Router not to respond to an ICMP Ping (ping to the WAN port). This offers a heightened level of security. Block ICMP Ping     Remote Administration Remote management allows you to manage the Router from anywhere on the internet. Before you enable remote management, 3Com advise you to change the Administrator password. To remotely manage the Router, the remote user should type into their browser. http://<Router WAN IP address>: 8000. Any IP address can remotely manage the router. Only this IP address can remotely manage the router . . . Port for remotely manage the router