Cisco Cisco Content Security Management Appliance M1070 ユーザーガイド
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AsyncOS 8.1 for Cisco Content Security Management User Guide
Chapter 14 Common Administrative Tasks
Figure 14-4
Streaming Update Method
This method requires that your appliance contacts the Cisco IronPort update servers directly from the
network.
network.
Remote Upgrade Overview
You can also download and host updates to AsyncOS locally from within your own network (Remote
Upgrade) rather than obtaining updates directly from Cisco IronPort’s update servers (Streaming
Upgrades). Using this feature, an encrypted update image downloaded via HTTP to any server in your
network that has access to the Internet. If you choose to download the update image, you can then
configure an internal HTTP server (an “update manager”) to host the AsyncOS images to your Security
Management appliances.
Upgrade) rather than obtaining updates directly from Cisco IronPort’s update servers (Streaming
Upgrades). Using this feature, an encrypted update image downloaded via HTTP to any server in your
network that has access to the Internet. If you choose to download the update image, you can then
configure an internal HTTP server (an “update manager”) to host the AsyncOS images to your Security
Management appliances.
Figure 14-5
Remote Update Method
The basic process is as follows:
Procedure
Step 1
Read the information in
and
.
Step 2
Configure a local server to retrieve and serve the upgrade files.
Step 3
Download the upgrade files.
Step 4
Choose Management Appliance > System Administration > Update Settings
Your Content Security Appliance
Cisco IronPort
Update Servers
Update Servers
HTTP connection through firewall
Cisco Content Security Appliances
Cisco IronPort Systems, Inc.
Update Servers
HTTP connection to Internet through firewall
Web Server with HTTP access
to Internet
local HTTP connections