Cisco Cisco Web Security Appliance S160 Guía Del Usuario
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AsyncOS 9.1 for Cisco Web Security Appliances User Guide
Chapter 22 Perform System Administration Tasks
AsyncOS for Web Upgrades and Updates
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 (for a physical appliance) or VLN (for a virtual appliance)
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.
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.
Step 3
Unzip the zip file in the root directory on the local server while keeping the directory structure intact.
Step 4
Configure the appliance to use the local server using the System Administration > Upgrade and Update
Settings page or the
Settings page or the
updateconfig
command.
Step 5
On the System Administration > System Upgrade page, click Available Upgrades or run the
upgrade
command.
Differences Between Local and Remote Upgrading Methods
The following differences apply when upgrading AsyncOS from a local server rather than from a Cisco
update server:
update server:
•
The upgrading installs immediately while downloading.
•
A banner displays for 10 seconds at the beginning of the upgrade process. While this banner is
displayed, you have the option to type Control+C to exit the upgrade process before downloading
starts.
displayed, you have the option to type Control+C to exit the upgrade process before downloading
starts.
Configuring Upgrade and Service Update Settings
You can configure how the Web Security appliance downloads security services updates and AsyncOS
for Web upgrades. For example, you can choose which network interface to use when downloading the
files, configure the update interval or disable automatic updates.
for Web upgrades. For example, you can choose which network interface to use when downloading the
files, configure the update interval or disable automatic updates.
Step 1
Choose System Administration > Upgrade and Update Settings.
Step 2
Click Edit Update Settings.
Step 3
Configure the settings, referencing the following information:
Setting
Description
Automatic Updates
Choose whether or not to enable automatic updates of the security
components. If you choose automatic updates, enter the time interval. The
default is enabled and the update interval is 5 minutes.
components. If you choose automatic updates, enter the time interval. The
default is enabled and the update interval is 5 minutes.
Upgrade Notifications
Choose whether to display a notification at the top of the Web Interface
when a new upgrade to AsyncOS is available. The appliance only displays
this notification for administrators.
when a new upgrade to AsyncOS is available. The appliance only displays
this notification for administrators.
For more information, see
.