Руководство Пользователя для Cisco Cisco Web Security Appliance S170
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Cisco IronPort AsyncOS 7.5.7 for Web User Guide
Chapter 27 System Administration
Configuring Upgrade and Service Update Settings
Updating and Upgrading from the Cisco IronPort Update Servers
The Web Security appliance can connect directly to the Cisco IronPort update servers and download
upgrade images and security service updates. Each appliance downloads the updates and upgrade images
separately.
upgrade images and security service updates. Each appliance downloads the updates and upgrade images
separately.
Cisco uses a distributed update server architecture to make sure customers can quickly download updates
and AsyncOS upgrades wherever in the world they are located. Because of this distributed server
architecture, the Cisco IronPort update servers use dynamic IP addresses. If you have strict firewall
policies, you may need to configure a static location for AsyncOS upgrades. For more information, see
and AsyncOS upgrades wherever in the world they are located. Because of this distributed server
architecture, the Cisco IronPort update servers use dynamic IP addresses. If you have strict firewall
policies, you may need to configure a static location for AsyncOS upgrades. For more information, see
Configuring a Static Address for the Cisco IronPort Update Servers
The Cisco IronPort update servers use dynamic IP addresses. If you have strict firewall policies, you may
need to configure a static location for updates and AsyncOS upgrades. If you determine that your firewall
settings require a static IP address for updates, complete the following steps:
need to configure a static location for updates and AsyncOS upgrades. If you determine that your firewall
settings require a static IP address for updates, complete the following steps:
Step 1
Contact Cisco IronPort Customer Support to obtain the static URL address.
Step 2
Navigate to the System Administration > Upgrade and Update Settings page, and click Edit Update
Settings.
Settings.
Step 3
On the Edit Update Settings page, in the “Update Servers (images)” section, choose Local Update
Servers and enter the static URL address received in step
Servers and enter the static URL address received in step
.
Step 4
Verify that Cisco IronPort Update Servers is selected for the “Update Servers (list)” section.
Step 5
Submit and commit your changes.
Upgrading from a Local Server
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.
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.