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Help information     To facilitate your management over LAN computers’ access to websites,you can block LAN computers from visiting certain websites by entering the website’s URL. Please refer to the user guide for detailed usage.     Instructions: If you want to clear one configured item, select it and click the "Clear" button and then click "OK" to bring it into effect.     Note: URL character string: Enter only one character string for each access policy. When the time is set as 0:0~0:0,it means all time segments.