ZyXEL Communications UAG5100 User Manual page 387

Table 171 Configuration > UTM Profile > Content Filter > Profile > Add/Edit Filter Profile > Category
Service (continued)
LABEL
Action for Managed Web
Pages
Action for Unrated Web
Pages
Action When Category
Server Is Unavailable
Select Categories
Select All Categories
Clear All Categories
Security Threat (unsafe)
Chapter 33 Content Filtering
DESCRIPTION
Select Pass to allow users to access web pages that match the other
categories that you select below.
Select Block to prevent users from accessing web pages that match the other
categories that you select below. When external database content filtering
blocks access to a web page, it displays the denied access message that you
configured in the Content Filter General screen along with the category of
the blocked web page.
Select Log to record attempts to access web pages that match the other
categories that you select below.
Select Pass to allow users to access web pages that the external web filtering
service has not categorized.
Select Block to prevent users from accessing web pages that the external web
filtering service has not categorized. When the external database content
filtering blocks access to a web page, it displays the denied access message
that you configured in the Content Filter General screen along with the
category of the blocked web page.
Select Warn to display a warning message before allowing users to access
web pages that the external web filtering service has not categorized.
Select Log to record attempts to access web pages that are not categorized.
Select Pass to allow users to access any requested web page if the external
content filtering database is unavailable.
Select Block to block access to any requested web page if the external content
filtering database is unavailable.
Select Warn to display a warning message before allowing users to access any
requested web page if the external content filtering database is unavailable.
The following are possible causes for the external content filtering server not
being available:
• There is no response from the external content filtering server within the
time period specified in the Content Filter Server Unavailable Timeout
field.
• The UAG is not able to resolve the domain name of the external content
filtering database.
• There is an error response from the external content filtering database.
This can be caused by an expired content filtering registration (External
content filtering's license key is invalid").
Select Log to record attempts to access web pages that occur when the
external content filtering database is unavailable.
Select this check box to restrict access to all site categories listed below.
Select this check box to clear the selected categories below.
Thecategories of web pages that are known to pose a threat to users or their
computers are:
• Anonymizers
• Botnets
• Compromised
• Malware
• Network Errors
• Parked Domains
• Phishing & Fraud
• Spam Sites
UAG Series User's Guide
387