Secure MQTT conncetion

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This topic contains 1 reply, has 2 voices, and was last updated by greenfoxx greenfoxx 2 months, 3 weeks ago.

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  • #5745
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    pyrotoef
    Participant

    Hello,
    For a project I use MQTT to communicate with a PLC, but I would like to secure this communication line with TLS. For this connection I need to use port 8883. I looked at the code and found a variable called Secure in MqttConnection.cs, yet when i set this variable it is not possible to connect to the broker.

    The communicator log gives: “Error communicating with Device 61 “MQTT”: Cannot read data from the trasportline: External host has disconnected the connection.”
    The broker log gives: “OpenSSL Error: error:1408F10B: SSL routines:ssl3_get_record:wrong version number”.

    It looks like it is possible, but i cannot figure out how.
    Is this possible?
    With kind regards.

    #5757
    greenfoxx
    greenfoxx
    Participant

    Hello pyrotoef,
    Your question is very interesting. The MQTT driver has been developed by our community, the author is https://github.com/bersim
    We can recommend the following ways for solution to your issue:
    1) You can contact the developer of this diver, perhaps he was facing with this issue.
    2) Developers of Rapid SCADA on a paid basis can solve this problem.
    Thank you for your question.
    Rapid SCADA team

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