Cisco Cisco Web Security Appliance S680 Guía Del Usuario
Chapter 26 System Administration
Configuring Upgrade and Service Update Settings
26-42
Cisco IronPort AsyncOS 7.0 for Web User Guide
OL-23079-01
Configuring Upgrade and Service Update Settings
You can configure how the Web Security appliance downloads security services
updates, such as Web Reputation Filters 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.
updates, such as Web Reputation Filters 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.
AsyncOS periodically queries the update servers for new updates to all security
service components, but not for new AsyncOS upgrades. To upgrade AsyncOS,
you must manually prompt AsyncOS to query for available upgrades. You can
also manually prompt AsyncOS to query for available security service updates.
For more information, see
service components, but not for new AsyncOS upgrades. To upgrade AsyncOS,
you must manually prompt AsyncOS to query for available upgrades. You can
also manually prompt AsyncOS to query for available security service updates.
For more information, see
When AsyncOS queries an update server for an update or upgrade, it performs the
following steps:
following steps:
1.
Contacts the update server.
IronPort allows the following sources for update servers:
–
IronPort update servers. For more information, see
.
–
Local server. For more information, see
2.
Receives an XML file that lists the available updates or AsyncOS upgrade
versions. This XML file is known as the “manifest.”
versions. This XML file is known as the “manifest.”
3.
Downloads the update or upgrade image files.
By default, AsyncOS contacts the IronPort update servers for both update and
upgrade images and the manifest XML file. However, you can choose from where
to download the upgrade and update images and the manifest file. You might want
to specify a local update server for the images or manifest file for any of the
following reasons:
upgrade images and the manifest XML file. However, you can choose from where
to download the upgrade and update images and the manifest file. You might want
to specify a local update server for the images or manifest file for any of the
following reasons:
•
You have multiple appliances to upgrade simultaneously. If your
organization has multiple Web Security appliances that need to upgrade, you
can download the upgrade image to a web server inside your network and
serve it to all appliances in your network.
organization has multiple Web Security appliances that need to upgrade, you
can download the upgrade image to a web server inside your network and
serve it to all appliances in your network.