Cisco Cisco Email Security Appliance C160 Mode D'Emploi

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Cisco AsyncOS 8.5.6 for Email User Guide
 
Chapter 16      File Reputation Filtering and File Analysis
  Configuring File Reputation and Analysis Features
Values are case-sensitive. 
Sending Notifications to End Users about Dropped Messages or Attachments 
To send notifications to end users when a suspect attachment or its parent message has been dropped 
based on file reputation scanning, use an X-header or Custom Header and Content Filters. See a similar 
configuration example at 
Advanced Malware Protection and Clusters 
If you use centralized management, you can enable Advanced Malware Protection and mail policies at 
the cluster, group and machine level. 
Feature keys must be added at the machine level. 
Ensuring That You Receive Alerts 
Ensure that the appliance is configured to send you alerts related to Advanced Malware Protection.  
You will receive alerts when: 
Header Name
Possible Values 
(Case Sensitive)
Description 
X-Amp-Result Clean
Malicious
Unscannable
Verdict applied to messages processed by the 
file reputation service. 
X-Amp-Original-Verdict
file unknown
verdict unknown
Verdict before adjustment based on reputation 
threshold. This header exists only if the 
original verdict is one of the possible values. 
X-Amp-File-Uploaded
true
false
If any file attached to a message was sent for 
analysis, this header is "true." 
Alert Description 
Type 
Severity 
Feature keys expire 
(As is standard for all features)
The file reputation service is unreachable
System 
Warning
The file analysis service is unreachable
System 
Warning
A file reputation verdict changes 
System 
Info
The reputation and analysis engine is restarted by a watchdog 
service 
System Info