Draytek Vigor2820 Series User Manual page 114

Block - Restrict accessing into the corresponding webpage with the
keywords listed on the box below.
If the web pages do not match with the keyword set here, it will be
processed with reverse action.
Group/Object Selections – The Vigor router provides several
frames for users to define keywords and each frame supports
multiple keywords. The keyword could be a noun, a partial noun,
or a complete URL string. Multiple keywords within a frame are
separated by space, comma, or semicolon. In addition, the maximal
length of each frame is 32-character long. After specifying
keywords, the Vigor router will decline the connection request to
the website whose URL string matched to any user-defined
keyword. It should be noticed that the more simplified the blocking
keyword list, the more efficiently the Vigor router perform.
Web Feature Enable Restrict Web Feature - Check this box to make the
keyword being blocked or passed.
Action - This setting is available only when Either : URL Access
Control First or Either : Web Feature Firs is selected. Pass
allows accessing into the corresponding webpage with the
keywords listed on the box below.
Pass - Allow accessing into the corresponding webpage with the
keywords listed on the box below.
Block - Restrict accessing into the corresponding webpage with the
keywords listed on the box below.
106 Vigor2820 Series User's Guide