Draytek Vigor2850 Series, User Manual

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Vigor2850 Series User’s Guide
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Available settings are explained as follows:
Item Description
Enable
Check this box to enable such port redirection setting.
Mode
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.
Service Name
Enter the description of the specific network service.
Protocol
Select the transport layer protocol (TCP or UDP).
WAN IP
Select the WAN IP 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.
Public 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. Simply type the required number on the first
box. The second one will be assigned automatically later.
Private IP
Specify the private IP address of the internal host providing
the service. If you choose
Range
as the port redirection
mode, you will see two boxes on this field. Type a complete
IP address in the first box (as the starting point) and the
fourth digits in the second box (as the end point).
Private Port
Specify the private port number of the service offered by
the internal host.