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The URL Access Warning Time-to-Live (TTL) setting allows the administrator to configure the amount of time between displayed warning messages, if the user chooses to be reminded after the initial warning messages displays.
Note: The repeated warning message only occurs if the user opts to continue to a Web page after the initial warning message.
The default value is 5 minutes. This setting is configured per user/per category.
The warning message displays if the value for the policy rule's selected action is set to Warn.