Chapter 6
Industrial Network Protocols
Abstract
Industrial network communications began with proprietary communications protocols that later evolved to operate over Ethernet and IP. By learning how these protocols work, we can identify how they might be exploited by a cyber-attacker, and also how we might be able to defend them.
Keywords
Modbus
DNP3
Profibus
Profinet
Ethernet/IP
EtherCAT
Powerlink
Sercos
OPC
DCOM
ICCP
AMI
Information in this chapter
• Overview of Industrial Network Protocols
• Fieldbus Protocols
• Backend Protocols
• AMI and the Smart Grid
• Industrial Protocol Simulators
Understanding how industrial networks operate requires a basic understanding of the underlying communications protocols that are used, where they ...
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