Netgear DGND3300v2 DGND3300 User Manual - Page 53

Add Custom Service, Service Type, blocked. If you know that the application uses either TCP or UDP

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RangeMax Dual Band Wireless-N Modem Router DGND3300 User Manual time servers serve time and date information, and game hosts serve data about other players' moves. When a computer on your network sends a request for service to a server computer on the Internet, the requested service is identified by a service or port number. This number appears as the destination port number in the transmitted IP packets. For example, a packet that is sent with destination port number 80 is an HTTP (Web server) request. To block access to Internet services: 1. Select Services under Security in the main menu. The Services screen displays. Figure 3-10 2. To add a service, click Add Custom Service. The following screen displays. Figure 3-11 3. Enter a name for the service. 4. From the Service Type drop-down list, select the application or service to be allowed or blocked. If you know that the application uses either TCP or UDP, select the appropriate protocol. If you are not sure, select Both. 5. You can block the specified service for a single computer, a range of computers with consecutive IP addresses, or all computers on your network. Enter the starting port and ending port numbers. If the application uses a single port number, enter that number in both fields. Protecting Your Network v1.0, September 2009 3-13

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RangeMax Dual Band Wireless-N Modem Router DGND3300 User Manual
Protecting Your Network
3-13
v1.0, September 2009
time servers serve time and date information, and game hosts serve data about other players’
moves. When a computer on your network sends a request for service to a server computer on the
Internet, the requested service is identified by a service or port number. This number appears as the
destination port number in the transmitted IP packets. For example, a packet that is sent with
destination port number 80 is an HTTP (Web server) request.
To block access to Internet services:
1.
Select Services under Security in the main menu. The Services screen displays.
2.
To add a service, click
Add Custom Service
. The following screen displays.
3.
Enter a name for the service.
4.
From the
Service Type
drop-down list, select the application or service to be allowed or
blocked. If you know that the application uses either TCP or UDP, select the appropriate
protocol. If you are not sure, select
Both
.
5.
You can block the specified service for a single computer, a range of computers with
consecutive IP addresses, or all computers on your network. Enter the starting port and ending
port numbers. If the application uses a single port number, enter that number in both fields.
Figure 3-10
Figure 3-11