November 2018
Intermediate to advanced
556 pages
14h 42m
English
Content preview from Hands-On Industrial Internet of Things
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Securing the edge on fieldbus
In this scenario, the edge is directly connected to the DCS or the PLC through a fieldbus protocol, as shown in the following diagram:
Edge on fieldbus
The most efficient way to secure this setup is to place the edge device in a DMZ by means of two firewalls. The first one should control the interface toward the outside and the second one should control the interface toward the control network, as shown in the following diagram:
Secure edge on fieldbus
To isolate the control network from the edge device, a DPI ...