Cisco Cisco Email Security Appliance C170 Betriebsanweisung

Further, there are global settings that apply to all listeners, see 

 

for more information.

When you create a listener, you specify the hosts that are allowed to connect to the listener through the 
Host Access Table (HAT). For public listeners, you also define all domains that the appliance will accept 
messages for using the Recipient Access Table (RAT). RATs apply only to public listeners. For more 
information about Host Access Table and Recipient Access Table entries, see the “Configuring the 
Gateway to Receive Mail” chapter in the Cisco IronPort AsyncOS for Email Configuration Guide.

 illustrates public and private listeners as they can be used with a Cisco IronPort appliance 

configured as an Enterprise Gateway. See also “Enterprise Gateway Configuration” in the Cisco IronPort 
AsyncOS for Email Configuration Guide for more information. 

Use the Listeners page on the Network menu in the GUI to add additional listeners to your list of 
currently configured listeners.

If you have completed the GUI’s System Setup Wizard (or the Command Line Interface 

systemsetup

 

command) as described in the “Setup and Installation” chapter of the Cisco IronPort AsyncOS for Email 
Configuration Guide and committed the changes, at least one listener should already be configured on 
your appliance. (Refer to the settings you entered in the “Create a Listener” section of the GUI System 
Setup Wizard or the 

systemsetup

 command in the CLI.) The specific addresses to accept mail for were 

also entered at that time, as well as the first SMTP routes entry. 

Ethernet interface: Data 2

IP interface: PublicNet (e.g. 1.2.3.4)

Public Listener: 

“InboundMail” 

SMTP

IronPort Email 

Security appliance

Ethernet interface: Data 1

IP interface: PrivateNet (e.g. 10.x.x.x)

Private Listener: 

“OutboundMail” 

Groupware server

Message generation system