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IronPort - daily management guide - AsyncOS 7.6.1

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Chapter 9 Testing and Troubleshooting<br />

Figure 9-4 Black Hole Listener for an Enterprise Gateway<br />

<strong>IronPort</strong> Email Security Appliance<br />

Example<br />

OL-25138-01<br />

Using the Listener to Test the Appliance<br />

Groupware Client<br />

In the following example, the listenerconfig command is used to create a black hole queueing listener<br />

named BlackHole_1 on the Management interface. This Host Access Table (HAT) for the listener is then<br />

edited to accept connections from the following hosts:<br />

yoursystem.example.com<br />

10.1.2.29<br />

badmail.tst<br />

.tst<br />

C<br />

Groupware Server<br />

(Exchange, Domino,<br />

Groupwise)<br />

Note The final entry, .tst, configures the listener so that any host in the .tst domain can send email to the<br />

listener named BlackHole_1.<br />

mail3.example.com> listenerconfig<br />

Currently configured listeners:<br />

1. InboundMail (on PublicNet, 192.168.2.1) SMTP Port 25 Public<br />

B<br />

A<br />

SMTP<br />

2. OutboundMail (on PrivateNet, 192.168.1.1) SMTP Port 25 Private<br />

Choose the operation you want to perform:<br />

- NEW - Create a new listener.<br />

- EDIT - Modify a listener.<br />

- DELETE - Remove a listener.<br />

Firewall<br />

Cisco <strong>IronPort</strong> <strong>AsyncOS</strong> 7.6 for Email Daily Management Guide<br />

9-17

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