Cisco Cisco Content Security Management Appliance M160

Perform the upgrade: 

On the Security Management appliance, click System Administration > System Upgrade.

Click Available Upgrades. 

The page displays a list of available AsyncOS for Security Management upgrade versions.

Click Begin Upgrade to start the upgrade process. 

Answer the questions as they appear.

When the upgrade is complete, click Reboot Now to reboot the Security Management appliance. 

Sign up to receive notifications such as Security Advisories, Field Notices, End of Sale and End of 
Support announcements, and information about software updates and known issues. 

You can specify options such as notification frequency and types of information to receive. You should 
sign up separately for notifications for each product that you use. 

To sign up, visit the Cisco Notification Service page at 

 

A Cisco.com account is required. If you do not have one, visit 

. 

This service replaces the existing email announcement service. You must sign up with the Cisco 
Notification Service to receive future announcements. 

Please note the following changes to the Cisco IronPort AsyncOS 7.7 for Security Management User 
Guide. 

In addition to the requirements already stated in the “Restrictions for Backups” section in the “Common 
Administrative Tasks” chapter of the user guide, note the following requirement: 

The source and target Security Management appliances must be able to communicate using SSH. 
Therefore: 

Port 22 must be open on both appliances. By default, this port is opened when you run the System 
Setup Wizard. 

The Domain Name Server (DNS) must be able to resolve the host names of both appliances using 
both A records and PTR records.