Cisco Cisco Web Security Appliance S170 用户指南
8-3
AsyncOS 8.5 for Cisco Web Security Appliances User Guide
Chapter 8 Classify URLs for Policy Application
Overview of Categorizing URL Transactions
URLs and allow all requests to internal web sites. This decreases the number of web transactions
reported as “Uncategorized URLs” and instead reports internal transactions as part of “URL Filtering
Bypassed” statistics.
reported as “Uncategorized URLs” and instead reports internal transactions as part of “URL Filtering
Bypassed” statistics.
Related Topics
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Matching URLs to URL Categories
When the URL filtering engine matches a URL category to the URL in a client request, it first evaluates
the URL against the custom URL categories included in the policy group. If the URL in the request does
not match an included custom category, the URL filtering engine compares it to the predefined URL
categories. If the URL does not match any included custom or predefined URL categories, the request is
uncategorized.
the URL against the custom URL categories included in the policy group. If the URL in the request does
not match an included custom category, the URL filtering engine compares it to the predefined URL
categories. If the URL does not match any included custom or predefined URL categories, the request is
uncategorized.
Note
When determining policy group membership, a custom URL category is considered included only when
it is selected for policy group membership.
it is selected for policy group membership.
Tip
To see what category a particular web site is assigned to, go to the URL in
Related Topics
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Reporting Uncategorized and Misclassified URLs
You can report uncategorized and misclassified URLs to Cisco. Cisco provides a URL submission tool
on its website that allows you to submit multiple URLs simultaneously:
on its website that allows you to submit multiple URLs simultaneously:
https://securityhub.cisco.com/web/submit_urls
To check the status of submitted URLs, click the Status on Submitted URLs tab on this page. You can
also use the URL submission tool to look up the assigned URL category for any URL.
also use the URL submission tool to look up the assigned URL category for any URL.
URL Categories Database
The category that a URL falls into is determined by a filtering categories database. The Web Security
appliance collects information and maintains a separate database for each URL filtering engine. The
filtering categories databases periodically receive updates from the Cisco update server
(
appliance collects information and maintains a separate database for each URL filtering engine. The
filtering categories databases periodically receive updates from the Cisco update server
(
https://update-manifests.ironport.com
).
The URL categories database includes many different factors and sources of data internal to Cisco and
from the Internet. One of the factors occasionally considered, heavily modified from the original, is
information from the Open Directory Project.
from the Internet. One of the factors occasionally considered, heavily modified from the original, is
information from the Open Directory Project.