1. Find "Domain Name Filter"
Click Settings.
Click Security.
Click Domain Name Filter.
2. Block web page
Click the field next to "Blacklist".
Click Add.
Click the field below "Domain Name" and key in the address of the required web page.
Key in the internet address without the prefix http://, ftp:// or https://.
Click the drop down list below "Status".
Click On to turn on the function.
Click OK.
3. Save blocking
Click Apply.
Click OK.