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Cellular M2M Gateway implies all ports are used. You also can choose one well-known service instead so that the chosen service will provide its destination port and protocol number for the rule. The supported well-known services include: 7. Protocol: Specify which packet protocol is to be filtered. It can be TCP, UDP, or Both. 8. Time Schedule: The rule can be turn on according to the schedule rule you specified, and give user more flexibility on access control. By default, it is always turned on when the rule is enabled. For more details, please refer to the System -> Scheduling menu. 9. Rule Enable: Check the enable box if you want to activate the rule. Each rule can be enabled or disabled individually. Afterwards, click on “Save” to store your settings or click “Undo” to give up the changes. 3.2.1.3 URL Blocking URL Blocking will block the webs containing pre-defined key words. This feature can filter both domain input suffix (like .com or .org, etc) and a keyword “bct” or “mpe”. IDG761-0P001 User Manual 100