Cisco Cisco Email Security Appliance C160 Mode D'Emploi
16-15
AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
Chapter 16 File Reputation Filtering and File Analysis
Troubleshooting File Reputation and Analysis
Many Files Have Verdict "Unscannable"
Problem
Many files have an "Unscannable" verdict.
Solution
This can happen if there are connection issues between the appliance and the file reputation
services in the cloud. Try the following:
•
Check for issues on your network.
•
Increase the timeout value on the Security Services > File Reputation and Analysis page.
•
Check for an alert about communication errors between the cloud services and the appliance.