Cisco Cisco Email Security Appliance C190 Mode D'Emploi
17-17
AsyncOS 9.0 for Cisco Web Security Appliances User Guide
Chapter 17 File Reputation Filtering and File Analysis
Troubleshooting File Reputation and Analysis
Log Files
In logs:
•
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.
Information about Advanced Malware Protection including File Analysis is logged in AMP Engine
Logs..
Logs..
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.
For "Disposition" in mail logs:
•
1: No malware detected or presumed clean (treated as clean)
•
2: Clean
•
3: Malware
Spyname is threat name.
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.
from an account outside your organization.
Several Alerts About Failure to Connect to File Reputation or File Analysis
Servers
Servers
Problem
You receive several alerts about failures to connect to the file reputation or analysis services in
the cloud. (A single alert may indicate only a transient issue.)
Solution
•
Ensure that you have met the requirements in
.
•
Check for network issues that may prevent the appliance from communicating with the cloud
services.
services.
•
Increase the Query Timeout value:
Select Security Services > File Reputation and Analysis. The Query Timeout value is in the
Advanced settings area.
Advanced settings area.