Cisco Cisco Web Security Appliance S680 Guía Del Usuario
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AsyncOS 8.7 for Cisco Web Security Appliances User Guide
Chapter 22 Perform System Administration Tasks
Reverting to a Previous Version of AsyncOS for Web
Step 4
Submit and commit your changes.
Related Topics
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Reverting to a Previous Version of AsyncOS for Web
AsyncOS for Web supports the ability to revert the AsyncOS for Web operating system to a previous
qualified build for emergency uses.
qualified build for emergency uses.
Note
You cannot revert to a version of AsyncOS for Web earlier than version 7.5.
Reverting AsyncOS on Virtual Appliances Impacts the License
If you revert from AsyncOS 8.5 to AsyncOS 8.0, there is no 180-day grace period during which the
appliance processes web transactions without security features. License expiration dates are unaffected.
appliance processes web transactions without security features. License expiration dates are unaffected.
Configuration File Use in the Revert Process
Effective in version 7.5, when you upgrade to a later version, the upgrade process automatically saves
the current system configuration to a file on the Web Security appliance. (However, Cisco recommends
manually saving the configuration file to a local machine as a backup.) This allows AsyncOS for Web to
load the configuration file associated with the earlier release after reverting to the earlier version.
However, when it performs a reversion, it uses the current network settings for the management
interface.
the current system configuration to a file on the Web Security appliance. (However, Cisco recommends
manually saving the configuration file to a local machine as a backup.) This allows AsyncOS for Web to
load the configuration file associated with the earlier release after reverting to the earlier version.
However, when it performs a reversion, it uses the current network settings for the management
interface.
Update Servers (images)
Whether to download upgrade and update images from the Cisco update
servers or a local web server.
servers or a local web server.
When you choose a local update server, enter the base URL and port
number for the server. If you leave the port field blank, AsyncOS uses port
80. If the server requires authentication, you can also enter a valid user
name and password.
number for the server. If you leave the port field blank, AsyncOS uses port
80. If the server requires authentication, you can also enter a valid user
name and password.
Routing Table
Choose which network interface’s routing table to use when contacting the
update servers.
update servers.
Proxy Server (optional)
If an upstream proxy server exists and requires authentication, enter the
server information and user name and password here.
server information and user name and password here.
Setting
Description