Cisco Cisco Email Security Appliance C190 Guia Do Utilizador
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Cisco AsyncOS 8.5.6 for Email User Guide
Chapter 11 Content Filters
Filtering Messages Based on Content
Creating a Content Filter
Before You Begin
•
If you want to encrypt a message that matches the content filter, create an encryption profile.
•
If you want to add a disclaimer to a matching message, create a disclaimer template to use for
generating disclaimers.
generating disclaimers.
•
If you want to send a notification message to a user due to a matching message, create a notification
template for generating notifications.
template for generating notifications.
•
If you want to quarantine a message, you create a new policy quarantine for these messages or use
an existing one.
an existing one.
Procedure
Step 1
Click Mail Policies > Incoming Mail Policies
or
Mail Policies > Outgoing Mail Policies.
Step 2
Click Add Filter.
Step 3
Enter a name and description for the filter.
Step 4
(X-REF) Click the Editable By (Roles) link, select the Policy Administrator and click OK.
Delegated administrators who belong to the Policy Administrator user role will be able to edit this
content filter and use it in their mail policies.
content filter and use it in their mail policies.
Step 5
(Optional) Add a condition for triggering the filter.
a.
Click Add Condition.
b.
Select the condition type.
c.
Define the condition’s rules.
d.
Click OK.
e.
Repeat these steps for any additional conditions you want to add to the filter. When you define more
than one condition for a content filter, you can define whether all of the defined actions (that is, a
logical AND) or any of the defined actions (logical OR) need to apply in order for the content filter
to be considered a match.
than one condition for a content filter, you can define whether all of the defined actions (that is, a
logical AND) or any of the defined actions (logical OR) need to apply in order for the content filter
to be considered a match.
Note
If you do not add a condition, the appliance will perform the content filter’s action to any
message that matches one of the mail policies associated with the filter.
message that matches one of the mail policies associated with the filter.
Step 6
Add an action for the appliance to take on a message that matches the filter’s condition.
a.
Click Add Action.
b.
Select the action type.
c.
Define the action.
d.
Click OK.
e.
Repeat the previous steps for any additional actions you want the appliance to take.