Cisco Cisco Web Security Appliance S370 Guia Do Utilizador

Verify that Cisco IronPort Update Servers is selected for the “Update Servers (list)” section.

Submit and commit your changes.

The Web Security appliance can download AsyncOS upgrades from a server within your network instead 
of obtaining upgrades directly from the Cisco IronPort update servers. When you use this feature, you 
only download the upgrade image from Cisco one time, and then serve it to all Web Security appliances 
in your network.

 shows how Web Security appliances download upgrade images from local servers.

Configure a local server to retrieve and serve the upgrade files.

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 appliance. You will then be 
presented with a list of available upgrades. Click on the upgrade version that you want to download. 

Unzip the zip file in the root directory on the local server while keeping the directory structure intact.

Configure the appliance to use the local server using the System Administration > Upgrade and Update 
Settings page or the 

updateconfig

 command.

On the System Administration > System Upgrade page, click Available Upgrades or run the 

upgrade

 

command.

Local web server with 
access to the Internet

Cisco IronPort Update 
Servers

Web Security Appliances

local HTTP connections

HTTP connection to Internet through firewall