Message Oracle TNS-01194 - The listener command did not arrive in a secure transport

ERRORThe listener command did not arrive in a secure transport
CAUSEMost of the listener administrative commands are only intended to be issued in a secure transport, which are configured in secure_control_ parameter. If the parameter is set, then the listener accepts administrative requests only on those secure transports.
ACTIONMake sure the command is issued using a transport specified in secure transport list.