TeleWell TW-EA510 v2, Руководство пользователя

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Active: Select Yes from the drop down list box to enable or disable the URL Filter feature.
Always Block: Select to always check URL filter rules (i.e. at all hours of the day).
Block from: Specify the time period to check URL filter rules (e.g. during work hours).
Keywords Filtering: Allows blocking by specific keywords within a particular URL rather
than having to specify a complete URL (e.g. to block any image called “advertisement.gif”).
When enabled, your specified keywords list is checked to see if any keywords are present in
URLs accessed to determine if the connection attempt should be blocked. Note that the URL
filter blocks web browser (HTTP) connection attempts using port 80 only.
For example, the URL http://www.abc.com/abcde.html would be dropped since the keyword
“abcde” occurs in the URL.