Cisco Cisco Email Security Appliance C190
5
Release Notes for AsyncOS 9.6 for Cisco Email Security Appliances
Changed Behavior
Changed Behavior
•
•
Changed Behavior in AsyncOS 9.6 for Cisco Email Security Appliances
Support for TLS v1.2 Cisco Email Security appliance now supports an additional SSL method:
TLS v1.2. Keep in mind that:
•
If you were using TLS v1 prior to the upgrade, TLS v1.2 is also negotiated
after the upgrade.
after the upgrade.
•
If you weren’t using TLS v1 prior to the upgrade, the SSL methods are not
automatically set to TLS v1.2 after the upgrade.
automatically set to TLS v1.2 after the upgrade.
You can use the SSL Configuration page on web interface or the
sslconfig
command in CLI to view or modify the existing SSL configuration.
Note
The highest supported TLS or SSL method in the client advertisement
is always selected during the negotiation.
is always selected during the negotiation.
Feature Description
Content Dictionary
Changes
Changes
For efficient processing, the following content dictionary entries are treated as
words:
words:
•
Entries containing only alphanumeric characters
•
Email addresses containing the following characters: 0-9, A-Z, a-z, dot,
underscore, hyphen, and at symbol
underscore, hyphen, and at symbol
•
Domain names containing the following characters: 0-9, A-Z, a-z, dot,
underscore, hyphen, and at symbol
underscore, hyphen, and at symbol
If you want the appliance to treat such a word as a regular expression, enclose
the word in parenthesis, for example,
the word in parenthesis, for example,
(user@example.com)
.
File Analysis
File Analysis changes may require action from you. See
.