Draytek Vigor2120n-plus User Manual page 179

Public Port
Private IP
Status
Press any number under Index to access into next page for configuring port redirection.
Available settings are explained as follows:
Item
Enable
Mode
Service Name
Protocol
WAN Interface
Public Port
Display the port number which will be redirected to the
specified Private IP and Port of the internal host.
Display the IP address of the internal host providing the
service.
Display if the profile is enabled (v) or not (x).
Description
Check this box to enable such port redirection setting.
Two options (Single and Range) are provided here for you
to choose. To set a range for the specific service, select
Range. In Range mode, if the public port (start port and end
port) and the starting IP of private IP had been entered, the
system will calculate and display the ending IP of private IP
automatically.
Enter the description of the specific network service.
Select the transport layer protocol (TCP or UDP).
Select the WAN interface used for port redirection. There
are eight WAN IP alias that can be selected and used for
port redirection. The default setting is All which means all
the incoming data from any port will be redirected to
specified range of IP address and port.
Specify which port can be redirected to the specified
Private IP and Port of the internal host. If you choose
Range as the port redirection mode, you will see two boxes
on this field. Type the required number on the first box (as
the starting port) and the second box (as the ending port).
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Vigor2120 Series User's Guide