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IIoT wireless cybersecurity must be addressed up front, starting with selection of a network with the required security features. The article discusses the cybersecurity safeguards built into WirelessHART.
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Secure TCP on WirelessHart network

Hi,

I need some help with this issue.

Who can help here?

Thanks, 

Adi

AdiTzoref

3 Replies

  • Jonas Berge
    WirelessHART does not use TCP. That is, there is no TCP between the WirelessHART devices and the WirelessHART gateway. WirelessHART has a number of security measures such as encryption, authentication, sequence number, and key rotation etc. which are always on - i.e. you do not need to do anything special to turn it on.

    TCP is used between the WirelessHART gateway and the host (system). It can be secured using SSL per protocol e.g. HTTPS, Modbus/TCP secure, HART-IP secure etc.
  • AdiTzoref
    Yes, this is what I ment.

    I have some questions:
    1) How can I make a regular TCP connection between the WirelessHART gateway and the host (system)? (Instead of Secure Tcp)
    2) How can I send an authentication details externally and not through the HartTalk program? Because I want to make a connection without the HartTalk.

    Thanks,
    Adi
  • Jonas Berge

    In reply to AdiTzoref:

    What is HartTalk? I am not familiar with this program. Please provide link to website

    For Emerson gateways use a web browser and go to Setup\Security\Protocols - there you can enable the application protocols you need

    Note that it takes more than TCP/IP to communicate. You need to use an applicaiton protocol like Modbus/TCP, HART-IP, EtherNet/IP, or OPC

    HART-IP is explained in these articles:

    Hart-IP: Large Scale System Integration
    http://www.ceasiamag.com/article/hart-ip-large-scale-system-integration/9526

    Smart Sensing: Situational Awareness
    http://www.iaasiaonline.com/more.php?id=2222&cat=im

    Power of Two - New Wireless Solutions for Plant Operations
    http://www.ceasiamag.com/article/the-power-of-two/9121

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