Cisco Cisco Email Security Appliance C650 Guía Del Usuario

If the policy requires a custom content matching classifier, enter a regular expression to define the 
pattern of your organization’s identification numbering system and a list of words or phrases related to 
the identification numbers that identify them as such or are typically associated with them. 

For information, see: 

 and

. 

You cannot add or remove content matching classifiers for policies based on a predefined 
template.

(Optional) Apply the DLP policy only to messages with specific recipients, senders, attachment types, 
or previously-added message tags. 

For more information, see 

You can separate multiple entries using a line break or a comma. 

In the Severity Settings section: 

Choose an action to take for each level of violation severity. 

For more information, see 

(Optional) Click Edit Scale to adjust the violation severity scale for the policy. 

For more information, see 

Submit and commit your changes.

Creating custom policies is very complex; create custom policies only if the predefined DLP policy 
templates do not meet the needs of your organization.

You can create a custom DLP policy from scratch using the Custom Policy template and add either a 
predefined RSA content matching classifier or a custom classifier to the policy. 

Custom policies can return a DLP violation if the content matches a single classifier or all classifiers, 
depending on how the policy is defined. 

Select Mail Policies > DLP Policy Manager.

Click Add DLP Policy.

Click the name of the Custom Policy category.