Cisco Cisco Email Security Appliance C690 用户指南
11-7
Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Chapter 11 Data Loss Prevention
•
Send messages to an alternate destination mailhost.
•
Send copies (bcc) of messages to other recipients. (For example, you could
copy messages with critical DLP violations to a compliance officer’s mailbox
for examination.)
copy messages with critical DLP violations to a compliance officer’s mailbox
for examination.)
•
Send a DLP violation notification message to the sender or other contacts,
such as a manager or DLP compliance officer.
such as a manager or DLP compliance officer.
Note
These actions are not mutually exclusive; you can combine some of them within
different DLP policies for various processing needs for groups of users. You can
also configure different treatments based on severity levels in the same policy. For
example, you may want to quarantine messages with critical violations and send
a notification to a compliance officer but deliver messages with low severity
levels.
different DLP policies for various processing needs for groups of users. You can
also configure different treatments based on severity levels in the same policy. For
example, you may want to quarantine messages with critical violations and send
a notification to a compliance officer but deliver messages with low severity
levels.
Content of Policies
Email DLP policies contain the following information:
•
Name and description of the policy.
•
A list of content matching classifiers. Depending on the policy, you may be
required to create a regular expression to search for identification numbers.
See
required to create a regular expression to search for identification numbers.
See
for more information.
•
A list of specific senders and recipients for filtering messages. See
for more information.
•
A list of attachment file types for filtering messages. See
for more information.
•
Severity settings, including actions applied to settings and adjusting the
Severity Scale. See
Severity Scale. See
for more
information.