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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.
WirelessHART Security Update
WirelessHART Not Affected By WPA2 Security Vulnerability
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2011 Emerson Exchange – Wireless Field Networks are Secure
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Not Answered
Secure TCP on WirelessHart network
Hi,
I need some help with this issue.
Who can help here?
Thanks,
Adi
Security Setup
HartTalk
WirelessHART
Secure Tcp
gateway
3 Replies
Jonas Berge
1 Dec 2014 2:01 PM
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
1 Dec 2014 2:10 PM
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
1 Dec 2014 2:17 PM
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