Operation Manual

Security
64
N300 Wireless ADSL2+ Modem Router DGN2200v4
2. From the Service Name list, select the service or game that you will host on your network.
If the service does not appear in the list, see Add a Custom Service on page 64.
3. In the
Action list, select when you want to allow or block this port forwarding rule.
4. In the Server IP
Address field, enter IP address of your local computer that will receive the
inbound traffic covered by this rule.
5. In the W
AN Servers field, fill in the IP addresses covered by this rule.
6. In the Log list, select Never or Always to specify when to log packets covered by this rule.
7. Click Add.
The service appears in the list on the Port Forwarding screen.
Add a Custom Service
To define a service, game, or application that does not appear in the Service Name list, first
determine which port number or range of numbers the application uses. You can usually
determine this information by contacting the publisher of the application or user groups or
news groups. When you have the port number information, follow these steps.
 To add a custom service:
1. Select Advanced >
Advanced Setup > Port Forwarding/Port Triggering.
2. Select the Port Forwarding radio button as the service type.
3. Click the Add Custom Service button.
4. In the Name field, enter a descriptive name.
5. In the Service
Type list, select the protocol. If you are unsure, select TCP/UDP.
6. In the External and Internal Starting Port fields, enter the beginning port number
.
• If the service uses only one port, enter the port number in the Ending Port field.
• If the service uses a range of ports, enter the end port number in the Ending Port field.
7. In the Internal IP
Address field, enter the IP address of your local computer that will provide
this service.
8. Click Apply.
The service appears in the list in the Port Forwarding/Port Triggering screen.