Cisco Cisco Email Security Appliance C190 Guía Del Usuario
Chapter 12 Cisco IronPortEmail Encryption
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Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Step 2
Enter a name for the Encryption Profile.
Step 3
Click the Used By (Roles) link, select the custom user role you want to have
access to the encryption profile, and click OK.
access to the encryption profile, and click OK.
Delegated administrators assigned to this custom role can use the encryption
profile for any DLP policies and content filters for which they are
responsible.
profile for any DLP policies and content filters for which they are
responsible.
Step 4
In the Key Server Settings section, select from the following key servers:
•
Cisco IronPort Encryption appliance (in network)
•
Cisco Registered Envelope Service (hosted key service)
Step 5
If you select the Cisco Registered Envelope Service, enter the URL for the hosted
key service. The key service URL is
key service. The key service URL is
https://res.cisco.com
.
Step 6
If you select the Cisco IronPort Encryption appliance (local key service), enter the
following settings:
following settings:
•
Internal URL. This URL is used by the Cisco IronPort Email Security
appliance to contact the in-network Cisco IronPort Encryption appliance.
appliance to contact the in-network Cisco IronPort Encryption appliance.
•
External URL. This URL is used when the recipient’s message accesses keys
and other services on the Cisco IronPort Encryption appliance. The recipient
uses this URL to make inbound HTTPS requests.
and other services on the Cisco IronPort Encryption appliance. The recipient
uses this URL to make inbound HTTPS requests.
Step 7
In the Envelope Settings section, select the level of message security:
•
High Security. The recipient must always enter a password to open encrypted
messages.
messages.
•
Medium Security. The recipient does not need to enter credentials to open
the encrypted message if the recipient credentials are cached.
the encrypted message if the recipient credentials are cached.
•
No Password Required. This is the lowest level of encrypted message
security. The recipient does not need to enter a password to open the
encrypted message, but the read receipts, Secure Reply, Secure Reply All,
and Secure Message Forwarding features will be unavailable to prevent
another email user from sending a message on behalf of the original recipient.
security. The recipient does not need to enter a password to open the
encrypted message, but the read receipts, Secure Reply, Secure Reply All,
and Secure Message Forwarding features will be unavailable to prevent
another email user from sending a message on behalf of the original recipient.
Step 8
To enable users to open your organization’s URL by clicking its logo, you can add
a link to the logo. Choose from the following options:
a link to the logo. Choose from the following options:
•
No link. A live link is not added to the message envelope.
•
Custom link URL. Enter the URL to add a live link to the message envelope.