Appendix A
Protocol Resources
Information in this chapter
• Modbus Organization
• DNP3 Users Group
• OPC Foundation
• Common Industrial Protocol (CIP) / Open Device Vendor Association (ODVA)
• PROFIBUS / PROFINET International (PI)
While industrial network protocols were covered at a high level in Chapter 6, fully understanding how these protocols work will facilitate the assessment and security of industrial networks. The following organizations provide in-depth documentation and support for the five leading industrial network protocols: Modbus, DNP3, OPC, CIP, and PROFIBUS/PROFINET.
Modbus Organization
The Modbus Organization is a group consisting of independent users and automation device manufacturers who manage the development and use ...
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