Cisco Cisco Email Security Appliance C160 Guía Del Usuario
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User Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 18 Data Loss Prevention
About Updating the DLP Engine and Content Matching Classifiers
Enabling Automatic Updates (Not Recommended)
Use this procedure to enable the appliance to check for and download updates at a regular interval.
Note
Cisco recommends that you do not enable automatic updates. These updates may change the content
matching classifiers used in your DLP policies. Instead, manually download DLP updates and test them
in a lab environment before updating appliances used in production.
matching classifiers used in your DLP policies. Instead, manually download DLP updates and test them
in a lab environment before updating appliances used in production.
Before You Begin
•
On the Security Settings > Service Updates page, make sure you have enabled automatic updates
and specified an update interval for all service updates.
and specified an update interval for all service updates.
•
See
.
Procedure
Step 1
Select Security Services > RSA Email DLP.
Step 2
Click Edit Settings.
Step 3
Select the Enable automatic updates check box.
Step 4
Submit and commit your changes.
DLP Updates on Centralized (Clustered) Appliances
Note the following:
•
You cannot enable automatic DLP updates for appliances in clustered deployments.
•
DLP updates are performed at the level that DLP was configured. For example, if DLP was
configured at cluster level, DLP updates must also be performed at that level.
configured at cluster level, DLP updates must also be performed at that level.
•
You can only roll back updates for appliances using the
dlprollback
CLI command at machine
level.
•
You can only check the status of an appliance’s DLP engine using the
dlpstatus
CLI command at
the machine level.
Rolling Back DLP Updates
This procedure returns the system to using the previous DLP engine and content matching classifiers.
Note
Rolling back DLP updates disables the DLP policies used in your mail policies.
Before You Begin
See also