Wireless-N 150 Router WNR1000v3 User Manual
Restricting Access From Your Network 3-4
v1.0, February 2010
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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