Cisco Cisco Web Security Appliance S660

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Cisco IronPort URL Filters Upgrade for S-Series 
Web Security Appliances
Published: February 02, 2012
Revised: February 03, 2012
Contents
These release notes contain important information about installing the IronPort URL Filters upgrade for 
all S-Series Web Security appliances. This update fixes an issue with IronPort URL Filters. Note that 
there are two URL filtering engines available on the Web Security appliance, IronPort URL Filters and 
Cisco IronPort Web Usage Controls. You only need to install this update if the appliances uses IronPort 
URL Filters. To verify which URL filtering engine is currently in use, go to 
.
This document contains the following sections:
  •
Supported Versions for the Upgrade. See 
.
  •
Fixed Issues. See 
.
  •
Installation Instructions. See 
  •
Related Documentation. See 
.
  •
Service and Support. See 
Supported Versions for the IronPort URL Filters Upgrade
To install the IronPort URL Filters upgrade on S-Series appliances, you must be on or above AsyncOS 
for Web 6.3.