Cisco Cisco Web Security Appliance S160 Notas de publicación
3
Release Notes for Cisco IronPort AsyncOS 7.5.7 for Web
7.5.7
Installation and Upgrade Notes
Installation and Upgrade Notes
Read through and consider the installation and upgrade impacts listed in this section.
When you upgrade AsyncOS for Web, the software saves the configuration to a file in the
/configuration/upgrade directory. You can access the upgrade directory using an FTP client. Each
configuration file name is appended with the version number, and passwords in the configuration file are
masked so they are not human readable.
/configuration/upgrade directory. You can access the upgrade directory using an FTP client. Each
configuration file name is appended with the version number, and passwords in the configuration file are
masked so they are not human readable.
Note
You must be logged in as the admin to upgrade. Also, you must reboot the Web Security appliance after
you upgrade AsyncOS for Web.
you upgrade AsyncOS for Web.
Known Limitations
User Authentication and Policy Application for HTTPS Sites
When all of these conditions are present, AsyncOS will allow access to HTTPS sites without
authentication, preventing Cisco Cloud Web Security from applying username/group-based policies:
authentication, preventing Cisco Cloud Web Security from applying username/group-based policies:
•
Cloud Connector mode
•
Traffic transparently redirected to Cisco Cloud Web Security
•
User's first authentication attempt is at an HTTPS web site
Workaround: The user can authenticate at an HTTP site before accessing the HTTPS site.
Known Issues
Verify you read the list of known issues and limitations before you upgrade AsyncOS for Web. For a list
of all known issues, see
of all known issues, see
Configuration Files
IronPort does not generally support the backward compatibility of configuration files with previous
major releases. Minor release support is provided. Configuration files from previous versions may work
with later releases, however, they may require modification to load. Check with IronPort Customer
Support if you have any questions about configuration file support.
major releases. Minor release support is provided. Configuration files from previous versions may work
with later releases, however, they may require modification to load. Check with IronPort Customer
Support if you have any questions about configuration file support.
Compatibility with IronPort AsyncOS for Security Management
AsyncOS for Security Management does not support AsyncOS 7.5.7 for Web.
Upgrading AsyncOS for Web
Step 1
In the web interface, navigate to System Administration > System Upgrade.