Filter
Top Products
Chapter 14 Content Filtering
NBG-460N User’s Guide
192
Cookies Used by Web servers to track usage and provide service based on ID.
Web Proxy A server that acts as an intermediary between a user and the Internet
to provide security, administrative control, and caching service. When
a proxy server is located on the WAN it is possible for LAN users to
circumvent content filtering by pointing to this proxy server.
Keyword Blocking
Enable URL
Keyword
Blocking
The NBG-460N can block Web sites with URLs that contain certain
keywords in the domain name or IP address. For example, if the
keyword "bad" was enabled, all sites containing this keyword in the
domain name or IP address will be blocked, e.g., URL http://
www.website.com/bad.html would be blocked. Select this check box to
enable this feature.
Keyword Type a keyword in this field. You may use any character (up to 64
characters). Wildcards are not allowed. You can also enter a numerical
IP address.
Keyword List This list displays the keywords already added.
Add Click Add after you have typed a keyword.
Repeat this procedure to add other keywords. Up to 64 keywords are
allowed.
When you try to access a web page containing a keyword, you will get
a message telling you that the content filter is blocking this request.
Delete Highlight a keyword in the lower box and click Delete to remove it.
The keyword disappears from the text box after you click Apply.
Clear All Click this button to remove all of the listed keywords.
Denied Access
Message
Enter a message to be displayed when a user tries to access a
restricted web site. The default message is “Please contact your
network administrator!!”
Apply Click Apply to save your changes.
Reset Click Reset to begin configuring this screen afresh
Table 65 Security > Content Filter > Filter
LABEL DESCRIPTION