Operation Manual

NAT Setup
5-5
5
other than the default port 80. You shall change the admin port from the
Management Setup menu and you then access the admin screen by
suffixing the normal IP address of Vigor router’s web configurator with 8080.
e.g. http://192.168.1.1:8080
The port redirection can only be applied to external users only - i.e. the
incoming traffic. The Internet users behind your LAN can not access your
external public IP address and come back in; the internal users shall
access the server on its local private IP address, or you can set up an alias
in a Windows hosts file. Please only redirect the ports you know you have
to forward rather than forward all ports. Otherwise, you will compromise the
firewall-type security initially deployed by the NAT facility.
5.4 DMZ Host Setup
The Port Redirection can direct UDP/TCP traffic on particular ports to
specified internal clients on the LAN. However, other IP protocols, for
example Protocols 50 (ESP) and 51 (AH) do not have port numbers so you
can not decide which local client to forward the data to. Vigor router has a
facility called DMZ host which you can specify a single local client (with
private IP address) to which ALL unsolicited data on all protocols shall be
forwarded. Regular web surfing and other such Internet activities from other