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WinCC OA secured by Apache HTTP server

WinCC OA secured by Apache HTTP server. WinCC OA secured by Apache HTTP server Purpose. WinCC OA secured by Apache HTTP server Steps. WinCC OA secured by Apache HTTP server Web UI Architecture / Simple Scenario.

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WinCC OA secured by Apache HTTP server

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  1. WinCC OA secured by Apache HTTP server

  2. WinCC OA secured by Apache HTTP serverPurpose

  3. WinCC OA secured by Apache HTTP serverSteps

  4. WinCC OA secured by Apache HTTP serverWeb UI Architecture / Simple Scenario 1) The user requests to view a panel. The request is handled by the Apache proxy server and routed to the appropriate WinccOA embedded server. 2) Then a new UI process is spawned which initiates a session over a websocket and a protocol similar to rdp. 3) In our setup there is no direct connection between WinCCOA webserver and the clients, the external name of the apache server should always be returned.

  5. WinCC OA secured by Apache HTTP serverIssues - Extensions Excessive load for a single WinCC OA server. → Load balancing should be implemented. → Limit number of connections permitted. Time outs - dropped sessions – reconnects. A policy should be outlined for the above cases. Not only protect against malicious users (DDos Attacks etc.) but also prevent users from using excessive resources(Resource Preservation)

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