User Guide

UPGRADING FROM A LOCAL SERVER
CHAPTER 22: SYSTEM ADMINISTRATION 521
use this feature, you only download the upgrade image from IronPort one time, and then serve
it to all Web Security appliances in your network.
Figure 22-21 shows how Web Security appliances download upgrade images from local
servers.
Figure 22-21 Upgrading from a Local Server
To upgrade from a local server, perform the following steps:
1. Configure a local server to retrieve and serve the upgrade files.
2. Download the upgrade zip file.
Using a browser on the 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.
3. Unzip the zip file in the root directory on the local server while keeping the directory
structure intact.
4. Configure the appliance to use the local server using the System Administration >
Upgrade and Update Settings page or the
updateconfig command.
5. On the System Administration > System Upgrade page, click Available Upgrades or run
the upgrade command.
Local web server with
access to the Internet
IronPort Systems
Update Servers
IronPort Appliances
local HTTP connections
HTTP connection to Internet through firewall