Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
16-3
Cisco AsyncOS 9.0 for Email User Guide
Chapter 16 File Reputation Filtering and File Analysis
Overview of File Reputation Filtering and File Analysis
If the file is sent for analysis:
•
Files are sent using SSL/TLS.
•
Analysis normally takes minutes, but may take longer.
•
Information about every file analyzed is added to the reputation database. File analysis results
contribute to the reputation of the file.
contribute to the reputation of the file.
For information about verdict updates, see
.
Which Files Are Evaluated and Analyzed?
The reputation service evaluates most file types. File type identification is determined by file content and
is not dependent on the filename extension.
is not dependent on the filename extension.
Some files with unknown reputation can be analyzed for threat characteristics. When you configure the
file analysis feature, you choose which file types are sent for analysis. New types can be added
dynamically; you will receive an alert when the list of uploadable file types changes, and can select
added file types to upload.
file analysis feature, you choose which file types are sent for analysis. New types can be added
dynamically; you will receive an alert when the list of uploadable file types changes, and can select
added file types to upload.
For complete information about which files are evaluated and analyzed, see the Release Notes for your
AsyncOS version, available from:
AsyncOS version, available from:
Related Topics
•