Navigate to Control Panel, Configuration, Configuration Policy, Policy Name, DSM, Web Services, Client, Health Monitoring, and Proxy Server Settings.

Specify suitable values for the following items:

Proxy Password
Defines the password to authenticate with the proxy.
Proxy User
Defines the user to authenticate with the server.
Proxy Server Address
Defines the address of the proxy server.
Proxy Server Port
Defines the port on which the proxy verifies for connection requests.
Proxy Type
Defines the value that determines the type of proxy. The value
None
indicates the direct http connection.