Netgear WNR2000 User Manual download pdf (Page 58)

NETGEAR Wireless-N Router WNR2000 User Manual

3-4 Restricting Access From Your Network

v1.0, June 2008

3. Specify a service for blocking by clicking Add. The Block Services Setup screen displays.

4. From the Service Type list, select the application or service to be allowed or blocked. The list

already displays several common services, but you are not limited to these choices. To add any

additional services or applications that do not already appear, select User Defined. To define a

service, first you must determine which port number or range of numbers is used by the

application. The service port numbers for many common protocols are defined by the Internet

Engineering Task Force (IETF) and published in RFC1700, “Assigned Numbers.” Service

numbers for other applications are typically chosen from the range 1024 to 65535 by the

authors of the application. You can often determine port number information by contacting the

publisher of the application, by asking user groups or newsgroups, or by searching.

– Enter the starting port and ending port numbers. If the application uses a single port

number, enter that number in both fields.

– If you know that the application uses either TCP or UDP, select the appropriate protocol. If

you are not sure, select Both.

5. Select the radio button for the IP address configuration you want to block, and then enter the

IP addresses in the appropriate fields.

6. Click Add to enable your Block Services Setup selections.

Figure 3-3

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Netgear WNR2000 User Manual Page 58