This script is Copyright (C) 2006-2014 Tenable Network Security, Inc.
OPC application components are installed on the remote host.
This host has one or more OPC components present and may act as an OPC
Client, Server or both. OPC provides a DCOM interface to allow access
to process control data residing on PLCs, RTUs, and Historians.
OPC Servers function as a gateway.
See also :
Make sure only authorized hosts are allowed to connect to this port.
Risk factor :