Cisco Cisco Web Security Appliance S190 Guía Del Usuario
Chapter 16 URL Filters
Creating Time Based URL Filters
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Cisco IronPort AsyncOS 7.0 for Web User Guide
OL-23079-01
Note
The warn and continue feature only works for HTTP and decrypted HTTPS
transactions. It does not work with native FTP transactions.
transactions. It does not work with native FTP transactions.
User Experience When Warning Users
When the URL filtering engine warns users for a particular request, it provides a
warning page that the Web Proxy sends to the end user. However, not all websites
display the warning page to the end user. For example, some Web 2.0 websites
display dynamic content using javascript instead of a static webpage and are not
likely to display the warning page from the Web Proxy. When this happens, users
are blocked from the URL that is assigned the Warn option without being given
the chance to continue accessing the site anyway.
warning page that the Web Proxy sends to the end user. However, not all websites
display the warning page to the end user. For example, some Web 2.0 websites
display dynamic content using javascript instead of a static webpage and are not
likely to display the warning page from the Web Proxy. When this happens, users
are blocked from the URL that is assigned the Warn option without being given
the chance to continue accessing the site anyway.
Creating Time Based URL Filters
You can configure how the Web Security appliance to handles requests for URLs
in particular categories differently based on time and day. For example, you can
block access to social networking sites, such as blogs and forums, during business
hours.
in particular categories differently based on time and day. For example, you can
block access to social networking sites, such as blogs and forums, during business
hours.
To define URL filtering actions by time you must first define at least one time
range. For information about time ranges, see
range. For information about time ranges, see
.
To create time based URL filtering actions for an Access Policy:
Step 1
Navigate to the Web Security Manager > Access Policies page.
Step 2
Click the link in the policies table under the URL Categories column for the policy
group you want to edit.
group you want to edit.
The Access Policies: URL Filtering: policyname page appears.
Step 3
Select Time-Based for the custom or predefined URL category you want to
configure based on time range.
configure based on time range.