Cisco Cisco Email Security Appliance C190 Installation Guide

You will need the hostname and login information for 
your Active Directory account to run the Active 
Directory Wizard.

Commit any changes you make in the GUI by clicking 
Commit Changes. This button appears if you have any 
uncommitted changes that need to be saved.

After logging in to the appliance, look at the top of the web 
browser window for an upgrade notification (or for a notice in 
the command-line interface.) If an upgrade is available, evaluate 
whether you should install it. 

Details about each release are available in the release notes for 
that Async OS version. 

Depending on your network configuration, your firewall may 
need to be configured to allow access using the following ports. 
SMTP and DNS services must have access to the Internet. 

DNS: port 53

SMTP: port 25

For other system functions, the following services may be 
required:

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