To make sure the user cannot visit certain web pages, you can compile a black list of Internet addresses that are NOT permitted. If an attempt is made to visit web pages that are on the black list, then nothing happens and the current web page continues to be displayed.
Choose Tools > Internet > Settings.
Choose Use blacklist from the drop-down list.
In the bottom field, enter the permitted Internet address.
Tip: You do not need to enter http://.
Click .
Repeat steps 3 and 4 to add Internet addresses to the black list.
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