The rman_password configuration parameter contains the password used with rman_username to connect to the Oracle RMAN utility. This parameter can be used only for Oracle data servers.
"" (empty string)
A valid password.
Setting the rman_password configuration parameter is required only if rman_enabled is set to true.
The value of the rman_password configuration parameter is encrypted in the configuration file for the Replication Agent instance.
rman_enabled and rman_username configuration parameters.