Руководство Пользователя для Cisco Cisco Email Security Appliance C170

Some software included within Cisco 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 Cisco 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 Cisco 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.

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comments and suggestions are always welcome. You can send comments to the following email address: 

contentsecuritydocs@cisco.com 

Please include the product name, release number, and document publication date in the subject of your 
message.

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The Cisco AsyncOS™ operating system includes the following features:

Anti-Spam at the gateway, through the unique, multi-layer approach of SenderBase Reputation 
Filters and Cisco Anti-Spam integration. 

Anti-Virus at the gateway with the Sophos and McAfee Anti-Virus scanning engines.

Outbreak Filters™, Cisco’s unique, preventive protection against new virus, scam, and phishing 
outbreaks that can quarantine dangerous messages until new updates are applied, reducing the 
window of vulnerability to new message threats. 

Policy, Virus, and Outbreak Quarantines provide a safe place to store suspect messages for 
evaluation by an administrator.