Cisco Cisco Email Security Appliance C170 Betriebsanweisung
23-8
Cisco AsyncOS 9.0 for Email User Guide
Chapter 23 Encrypting Communication with Other MTAs
Enabling TLS on a Listener’s HAT
GUI Example: Changing the TLS Setting for Listener’s HAT
Procedure
Step 1
Navigate to the Mail Policies > Mail Flow Policies page.
Step 2
Choose a listener whose policies you want to modify, and then click the link for the name of policy to
edit. (You can also edit the Default Policy Parameters.)
edit. (You can also edit the Default Policy Parameters.)
Step 3
In the “Encryption and Authentication” section, for the “TLS:” field, choose the level of TLS you want
for the listener.
for the listener.
Figure 23-3
Requiring TLS in a Listener’s Mail Flow Policy Parameters
Step 4
Submit and commit your changes.
The mail flow policy for the listener is updated with the TLS setting you chose.
CLI Example: Changing the TLS Setting for Listener’s HAT
Procedure
Step 1
Use the
listenerconfig -> edit
command to choose a listener you want to configure.
Step 2
Use the
hostaccess -> default
command to edit the listener’s default HAT settings.
Step 3
Change the TLS setting by entering one of the following choices when you are prompted with the
following questions:
following questions:
Do you want to allow encrypted TLS connections?
1. No
2. Preferred
3. Required
[1]> 3
You have chosen to enable TLS. Please use the 'certconfig' command to
ensure that there is a valid certificate configured.