Cisco Cisco Content Security Management Appliance M160 Guia Do Utilizador
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AsyncOS 8.1 for Cisco Content Security Management User Guide
Chapter 14 Common Administrative Tasks
•
(For deployments with associated Web Security appliances) Configure your system to support the
latest Configuration Master. See
latest Configuration Master. See
.
•
Consider saving your configuration. For more information, see
.
About Reverting to an Earlier Version of AsyncOS
You can revert to an to a previous qualified version of AsyncOS for emergency uses.
You can also revert to the currently running build if you want to clear all data on the appliance and start
with a new, clean configuration.
with a new, clean configuration.
Important Note About Reversion Impact
Using the
revert
command on a Cisco Content Security appliance is a very destructive action. This
command permanently destroys all configuration logs and existing data. In addition, it disrupts mail
handling until the appliance is reconfigured. Because this command destroys all configuration, it is
highly recommended that you have physical local access to the Cisco Content Security appliance when
you want to issue the
handling until the appliance is reconfigured. Because this command destroys all configuration, it is
highly recommended that you have physical local access to the Cisco Content Security appliance when
you want to issue the
revert
command.
Warning
You must have a configuration file for the version you want to revert to. Configuration files are not
backwards-compatible.
backwards-compatible.
Reverting AsyncOS
Before You Begin
If Centralized Policy, Virus, and Outbreak quarantines are enabled on your Email Security appliances,
disable centralization so that messages are quarantined locally on those appliances.
disable centralization so that messages are quarantined locally on those appliances.
Procedure
Step 1
Ensure that you have the configuration file for the version you want to revert to. Configuration files are
not backwards-compatible.
not backwards-compatible.
Step 2
Save a backup copy of the current configuration of your appliance (with passwords unmasked) on
another machine. To do this, you can email the file to yourself or FTP the file. A simple way to do this
is to run the
another machine. To do this, you can email the file to yourself or FTP the file. A simple way to do this
is to run the
mailconfig
CLI command, which emails the current configuration file on your appliance
to the specified email address.
Note
This is not the configuration file you will load after reverting.
Step 3
If you use the Safelist/Blocklist feature, export the Safelist/Blocklist database to another machine.
Step 4
Suspend any listeners on your Email Security appliances.
Step 5
Wait for the mail queue to empty.
Step 6
Log in to the CLI of the appliance you want to revert.