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NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
3-4 Restricting Access From Your Network
v2.1, July 2007
2. Enable service blocking by selecting either Per Schedule or Always, then click Apply.
To block by schedule, be sure to specify a time period in the Schedule menu. For scheduling,
see “Scheduling Blocking” on page 3-5.
3. Specify a service for blocking by clicking Add. The Block Services Setup screen will display.
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.
5. Select the radio box for the IP Address configuration you want to block, and enter the IP
Address(es) in the appropriate fields.
6. Click Add to enable your Block Services Setup selections.
Configuring a User Defined Service
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. Port number information can often be determined by contacting the publisher of
the application, by asking user groups or newsgroups, or by searching.
Figure 3-3
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