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Some software included within IronPort AsyncOS is distributed under the terms, 
notices, and conditions of software license agreements of FreeBSD, Inc., 
Stichting Mathematisch Centrum, Corporation for National Research Initiatives, 
Inc., and other third party contributors, and all such terms and conditions are 
incorporated in IronPort license agreements.

The full text of these agreements can be found here:

https://support.ironport.com/3rdparty/AsyncOS_User_Guide-1-1.html.

Portions of the software within IronPort AsyncOS is based upon the RRDtool 
with the express written consent of Tobi Oetiker.

Portions of this document are reproduced with permission of Dell Computer 
Corporation. Portions of this document are reproduced with permission of 
McAfee, Inc. Portions of this document are reproduced with permission of 
Sophos Plc.

The IronPort Technical Publications team is interested in improving the product 
documentation. Your comments and suggestions are always welcome. You can 
send comments to the following email address: 

docfeedback@ironport.com 

Please include the following part number in the subject of your message: 
OL-23407-01.