Netgear DGND4000 User Manual download pdf (Page 82)

Security

N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000

described in Firewall Rules on page 79) and the Inbound Services screen (as described in

Port Forwarding and Triggering on page 111).

 To add a custom service:

1. Click Add Custom

Service to add a service. The Add Service screen displays:

The Add Service screen allows you to specify or edit your own custom service definition.

You can then use the custom service when creating firewall rules.

2. To add a service for blocking, first determine which

port number or range of numbers is used

by the application.

3. In the Name field, enter a suitable name for this service.

4. In the Type list, select the correct type for this service (if in doubt, select TCP/UDP):

• TCP

• UDP

• TCP/UDP

5. Enter the

starting and ending port numbers. If the application uses a single port number,

enter that number in both fields.

6. Click Apply to save

your information and return to the previous screen.

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Netgear DGND4000 User Manual Page 82