Beyond Cyclic Polling: Objects, Classes, and Outstation State in DNP3
By RUGERO Tesla ( @404saint ) If you approach DNP3 (Distributed Network Protocol 3) from a background in Modbus/TCP or EtherNet/IP (CIP), your menta…
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Why Advanced Industrial Protocols Give Raw Sockets the "Silent Treatment"
By RUGERO Tesla ( @404saint ) When I first ditched high-level libraries like pyModbus to build my own socket-based protocol toolkit, my goal was sim…
Abandoning Abstractions: Manually Crafting EtherNet/IP Packets Almost Broke Me
By RUGERO Tesla ( @404Saint ). There is a persistent illusion in Industrial Control Systems (ICS) security research: that high-level libraries, abst…