You can setup secure access to the Metallic cloud storage using a proxy server. All the MediaAgents will connect to the proxy server to access the Metallic cloud storage and the secure proxy server will contain the information needed to connect to the storage.
From the navigation, click Storage > Cloud.
The Cloud page appears.
Click the Metallic cloud storage resource.
The <cloud storage> page appears.
In the Container list, click the container that contains the cloud access path that you want to share.
The <container properties> page appears.
In the Cloud access paths list, click a Container.
The Edit cloud access path dialog box is displayed.
In the Proxy tab, add the following information:
In the Proxy address box, type IP address or host name of the proxy computer.
In the Port box, specify the port number to connect to proxy computer.
In the User name box, specify the user account information of the proxy computer
In the Password box, specify the password for the specified user account.
The proxy server settings will be automatically shared with all the MediaAgents and all subsequent communication will be routed through the proxy server.