Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
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Cisco IronPort AsyncOS 7.1 for Email Configuration Guide
OL-22158-02
Chapter 11 Data Loss Prevention
Step 11
In the Critical Violations Settings section, choose whether to drop, deliver, or
quarantine messages containing critical DLP violations.
quarantine messages containing critical DLP violations.
Step 12
Optionally, you can choose to encrypt the message, modify its header, deliver it
to an alternate host, send a copy (bcc) to another recipient, and send a DLP
notification message.
to an alternate host, send a copy (bcc) to another recipient, and send a DLP
notification message.
For information on DLP notifications, see
.
Step 13
If you want to define different settings for messages that match the high, medium,
or low severity level, uncheck the Inherit settings check box for the appropriate
security level. Edit the overall action for the message and the other settings.
or low severity level, uncheck the Inherit settings check box for the appropriate
security level. Edit the overall action for the message and the other settings.
Step 14
If you want to adjust the DLP violation severity scale for the policy, click Edit
Scale and adjust the settings. For more information, see
Scale and adjust the settings. For more information, see
Step 15
Submit and commit your changes.
The policy is added to the DLP Policy Manager.
Creating a Content Matching Classifier
When creating a custom policy, you can create a custom classifier by selecting the
Create a Classifier option. See
Create a Classifier option. See
for more
information on the rules and values required to create a classifier.
After you have created and submitted the classifier, it will appear in the list of
available classifiers when creating a custom policy.
available classifiers when creating a custom policy.
To create a classifier, follow these steps:
Step 1
Enter a name and description for the classifier.
Step 2
Enter the number of characters that the classifier’s rules must appear in proximity
to one another.
to one another.
Step 3
Enter the minimum total score for the classifier.
Step 4
Define a rule for the classifier, including the weight and maximum score.
Step 5
Click Add Rule to add the rule to the classifier. You can add multiple rules.
Step 6
Submit your classifier and continue creating the custom policy.