Cisco Cisco Email Security Appliance C160 Guía Del Usuario
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Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 29 System Administration
Service Updates
•
Internet access to the Cisco Systems update servers.
•
A web browser (see
Note
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.
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:
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
Hosting an Upgrade Image on a Local Server
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 (for a
physical appliance) or a VLN (for a virtual appliance) and the version number of the Cisco 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 directory
structure intact. To use the upgrade image, configure the appliance to use the local server on the Edit
Update Settings page (or use
physical appliance) or a VLN (for a virtual appliance) and the version number of the Cisco 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 directory
structure intact. To use the upgrade image, configure the appliance to use the local server on the Edit
Update Settings page (or use
updateconfig
in the CLI).
The local server also hosts an XML file that limits the available AsyncOS upgrades for the Cisco
appliances on your network to the downloaded upgrade image. This file is called the “manifest.” The
manifest is located in the
appliances on your network to the downloaded upgrade image. This file is called the “manifest.” The
manifest is located in the
asyncos
directory of the upgrade image ZIP file. After unzipping the ZIP file
in the root directory of the local server, enter the full URL for the XML file, including the filename, on
the Edit Update Settings page (or use
the Edit Update Settings page (or use
updateconfig
in the CLI).
For more information about remote upgrades, please see the Cisco Knowledge Base or contact your
Cisco Support provider.
Cisco Support provider.
Service Updates
The following services require updates for maximum effectiveness:
•
Feature Keys
•
McAfee Anti-Virus definitions
•
PXE Engine
•
Sophos Anti-Virus definitions
•
IronPort Anti-Spam rules
•
Outbreak Filters rules
•
Time zone rules