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ProSecure Unified Threat Management (UTM) Appliance Reference Manual
6-30 Content Filtering and Optimizing Scans
v1.0, January 2010
4. Click Apply to save your settings.
Configuring Web URL Filtering
If you want to allow or block internal LAN users from access to certain sites on the Internet, use
the UTM’s Web URL filtering. You can create or import a whitelist that contains domain names
and URLs that are accepted and a blacklist with domain names and URLs that are blocked. The
whitelist takes precedence over the blacklist. Both the whitelist and the blacklist take precedence
over keyword blocking.
Web Category Lookup
URL Enter a URL to find out if it has been categorized, and if so, in which category.
Then, click the lookup button. If the URL has been categorized, the category
appears next to Lookup Results. If the URL appears to be uncategorized, you can
submit it to NETGEAR for analysis.
Submit to
NETGEAR
To submit an uncategorized URL to NETGEAR for analysis, select the category in
which you think that the URL must be categorized from the pull-down menu. Then
enter the Submit button.
Note: When the UTM blocks access to a link of a certain blocked Web category, the UTM
displays an HTML warning screen that includes a hyperlink to submit a URL
misclassifiation. To submit a misclassified or uncategorized URL to NETGEAR
for analysis, click on the Click here to Report a URL Misclassification
hyperlink. A second screen opens that allows you to select from pull-down menus
up to two categories in which you think that the URL could be categorized. Then
click the Submit button.
Note: A URL that you enter on the whitelist or blacklist might contain other embedded
URLs such as URLs for advertisements or sponsors, causing unexpected behavior.
If you want to allow a URL by placing it on the whitelist, make sure that all
embedded URLs are also placed on the whitelist. Similarly, if you want to block a
URL by placing it on the blacklist, make sure that all embedded URLs are also
placed on the blacklist.
Table 6-8. Content Filtering Settings (continued)
Setting Description (or Subfield and Description)