Примечания к выпуску для Cisco Cisco Email Security Appliance X1050
2
Release Notes for AsyncOS 9.7.1 for Cisco Email Security Appliances
What’s New
What’s New in AsyncOS 9.7.1
What’s New in AsyncOS 9.7
Feature
Description
Enhancements
URL Filtering
Enhancement
Enhancement
You can now configure the appliance not to replace the URLs within
HREF tags with secure proxy URLs. However, if an end user clicks on
these URLs, the end user will be redirected to the secure proxy.
HREF tags with secure proxy URLs. However, if an end user clicks on
these URLs, the end user will be redirected to the secure proxy.
You can configure this option using the
websecurityadvancedconfig
command in CLI (
websecurityadvancedconfig
>
Do you want to
rewrite all URLs with secure proxy URLs? [Y]> n
).
Message Filter Rule to
Detect Malformed MIME
Headers
Detect Malformed MIME
Headers
You can now take actions on messages with malformed MIME headers
using the new message filter rule: “
using the new message filter rule: “
malformed-header
.” The following
example shows how to quarantine all the messages with malformed MIME
headers:
headers:
quarantine_malformed_headers: if (malformed-header)
{
quarantine("Policy");
}
Option to Send Potentially
Malicious File Types for
File Analysis
Malicious File Types for
File Analysis
Cisco periodically checks for potentially malicious file types to prevent
zero day threats. If new threats are identified, details of such file types are
sent to your appliance through updater servers. If you enable this
functionality, your appliance will send such file types for analysis in
addition to the file types you have selected.
zero day threats. If new threats are identified, details of such file types are
sent to your appliance through updater servers. If you enable this
functionality, your appliance will send such file types for analysis in
addition to the file types you have selected.
Select the Other potentially malicious file types option on the File
Reputation and Analysis Settings page (Security Services > File
Reputation and Analysis > Edit Global Settings > File Analysis
section) to enable this functionality.
Reputation and Analysis Settings page (Security Services > File
Reputation and Analysis > Edit Global Settings > File Analysis
section) to enable this functionality.
For information about the new file types that are analyzed, see File
Criteria for Advanced Malware Protection Services for Cisco Content
Security Products, available from
Criteria for Advanced Malware Protection Services for Cisco Content
Security Products, available from
http://www.cisco.com/c/en/us/support/security/email-security-appliance/
products-user-guide-list.html
products-user-guide-list.html
Note
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.
Feature
Description
Content Scanning Engine
Update
Update
The content scanning engine is updated in this release. Going forward, all
the content scanning engine updates are automatically available through
the update server.
the content scanning engine updates are automatically available through
the update server.
Image Analysis Scanning
Engine Update
Engine Update
The image analysis scanning engine is updated in this release.