Cisco Cisco Email Security Appliance C670 用户指南
15-19
Cisco AsyncOS 8.5.5 for Email Security User Guide
Chapter 15 URL Filtering
About URL Categories
Determining the Category of a URL
To look up the category of a particular URL, visit the site shown in
.
Reporting Uncategorized and Misclassified URLs
To report URLs that have been miscategorized, and URLs that are not categorized but should be, visit:
To check the status of submitted URLs, click the Status on Submitted URLs tab on this page.
Future URL Category Set Changes
Rarely, the set of URL categories may change as a result of emerging trends and technologies. For
example, a category may be added or removed, renamed, merged with another category, or split into two
categories. These changes can affect the results from existing filters, so if changes occur, the appliance
will send an alert (System type, Warning severity). If you receive such an alert, you should evaluate and
possibly update content and message filters to work with the updated categories. Existing filters will not
automatically be changed. To ensure that you receive these alerts, see
example, a category may be added or removed, renamed, merged with another category, or split into two
categories. These changes can affect the results from existing filters, so if changes occur, the appliance
will send an alert (System type, Warning severity). If you receive such an alert, you should evaluate and
possibly update content and message filters to work with the updated categories. Existing filters will not
automatically be changed. To ensure that you receive these alerts, see
The following changes do not require category set changes and will not generate alerts:
•
Routine categorization of newly-categorized sites.
•
Recategorization of misclassified sites.