Manual Draytek Vigor 2100VG series (page 48 of 134) (English)

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NAT Setup

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

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Draytek Vigor 2100VG series Manual

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