Cisco Cisco Email Security Appliance C190 Guia Do Utilizador

Upgrade the appliance using either the System Administration > System Upgrade 
page or the 

upgrade

 command in the CLI.

For downloading AsyncOS upgrade files, you must have a system in your internal 
network that has:

Internet access to the IronPort Systems update servers. 

A web browser (see 

). 

For this release, if you need to configure a firewall setting to allow HTTP access 
to this address, you must configure it using the DNS name and not a specific IP 
address.

For hosting AsyncOS update files, you must have a server in your internal 
network that has:

A web server — for example, Microsoft IIS (Internet Information Services) 
or the Apache open source server — which: 

supports the display of directory or filenames in excess of 24 characters

has directory browsing enabled

is configured for anonymous (no authentication) or basic (“simple”) 
authentication

contains at least 350MB of free disk space for each AsyncOS update 
image 

After setting up a local server, go to 

http://updates.ironport.com/fetch_manifest.html

 to download a ZIP file of 

an upgrade image. To download the image, enter your serial number and the 
version number of the IronPort appliance. You will then be presented with a list 
of available upgrades. Click on the upgrade version that you want to download, 
and unzip the ZIP file in the root directory on the local server while keeping the