Руководство Пользователя для Cisco Cisco Email Security Appliance C190

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16-11
Cisco AsyncOS 8.5.6 for Email User Guide
 
Chapter 16      File Reputation Filtering and File Analysis
  Troubleshooting File Reputation and Analysis
AMP
 and 
amp
 refer to the file reputation service or engine.
Retrospective
 refers to verdict updates. 
VRT
 and 
sandboxing 
refer to the file analysis service. 
File reputation filtering and analysis events are logged in AMP Engine logs and Mail logs. 
In the log message "Response received for file reputation query" possible values for "upload action" are: 
0: The file is known to the reputation service; do not send for analysis. 
1: Send 
2: The file is known to the reputation service; do not send for analysis.
Using Trace 
Trace is not available for the file reputation filtering and analysis features. Instead, send a test message 
from an account outside your organization. 
Multiple Alerts About Failed File Reputation Queries 
Problem
You receive multiple alerts about failures to query the file reputation service. 
Solution
Ensure that you have met the requirements in 
Check for network issues that may prevent the appliance from communicating with the cloud 
services. 
Increase the Query Timeout value: 
 Select Security Services >  File Reputation and Analysis. The Query Timeout value is in the 
Advanced settings area. 
File Upload for Analysis Fails Repeatedly 
Problem
You receive an alert that uploading files for analysis has failed repeatedly. 
Solution
Ensure that you have met the requirements in 
Check your network for issues. 
If the problem persists, contact Cisco support.