Features that use Certificates

In the server-side authentication (SSA) for managers the managers use SSL certificates to authenticate themselves. They authenticate to the running manager, e.g. the Data Manager is started and runs. In this case VALARCH must have a certificate and be started with the right user. The WinCC OA Multiplexing Proxy , WinCC OA HTTP server, webView.ewo as well as the Reporting Manager use SSL for the secure communication. The Multiplexing Proxy uses SSL in the communication between managers and the Multiplexing Proxy and the HTTP server in the communication between the server and the client such as webbrowser or the Desktop UI. The Reporting Manager uses the SSL communication when querying values from WinCC OA. For a more secure OPC UA Client-Server communication certificates are required by the OPC UA Server and the OPC UA Client.