User manual
Domain Blocking: 
You could specify the domains that allow users to access or deny by clicking one of the 
two items.    Also, add the specified domains in the text box. 
Protocol Filters: 
This screen enables you to allow and deny access based upon a communications 
protocol list you create.    The protocol filter profiles are listed in the table at the bottom 
of the page. 
Note: When selecting items in the table at the bottom, click anywhere in the item. The 
line is selected, and the fields automatically load the item's parameters, which you can 
edit: 
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