create a URL admin override, you need to set the action for a category
. Then, create a URL admin override
password. Users will be required to enter this password to access
sites in these categories. By default, users can access sites in
an overridden category 15 minutes before they must re-enter the
password. To increase or decrease this time interval, modify the
URL Admin Override Timeout setting (range is 1 to 86,400 minutes).