User's Manual

Advanced Settings

N600 Wireless Dual Band Router WNDR3400v3

3. Click the Add Custom Service button to display the following screen:

4. In the Service Name field, enter a descriptive name.

5. In the Service T

ype list, select the protocol. If you are unsure, select TCP/UDP.

6. Specify the port settings:

•

External St

arting Port and External Ending Port. These are the starting number

and ending number for the public ports at the Internet interface. For single port

forwarding, the number in the External Starting Port and External Ending Port fields

can be the same.

• Use the same po

rt range for Internal port. This check box is selected by default. If

you want to use different ports, clear this check box and specify the internal ports.

• Internal Starting Port and

Internal Ending Port. These are the starting number and

ending number for the ports of a computer on the router’s local area network (LAN).

These are private ports. The router calculates the internal ending port.

7. In the Internal IP Address field, enter the IP address of your local computer that provides this

rvice.

8. Click App

y. The service appears in the list in the Port Forwarding/Port Triggering screen.

Edit or Delete a Port Forwarding Entry

 To edit or delete a port forwarding entry:

1. In the table, select the radio button next to the service name.

2. Click Edit Service or

Delete Service.

Application Example: Making a Local Web Server Public

If you host a web server on your local network, you can use port forwarding to allow web

requests from anyone on the Internet to reach your web server.