#SCADA protocols
158 articles tagged with #SCADA protocols. This page is set to noindex per SEO configuration.
Modbus TCP/IP Explained: Complete Beginner-to-Expert Guide
Modbus TCP/IP explained from the ground up: ADU structure, encapsulation across network layers, big-endian data, the client-server model, and function codes.
Wireshark GOOSE: Decode IEC 61850 Messages
Wireshark GOOSE decoding step by step: filter EtherType 0x88B8, read gocbRef and datSet, and use stNum and sqNum to spot the exact moment an event fires.
Securing IEC-104 Traffic Over OpenVPN: A Complete Technical Guide for Modern Critical Infrastructure
Secure IEC-104 systems with a modern OpenVPN site-to-site architecture. Learn cryptography, routing, LTE deployment, and best practices for utility networks.
IEC 61850 Sampled Values (SV): Process Bus Reference
IEC 61850 Sampled Values reference: the 9-2 spec, frame structure and ASN.1 encoding, SmpSynch values, control blocks, IEC 62351-6 security, and PRP/HSR.
IEC 61850 GOOSE Explained: Complete Technical Guide
IEC 61850 GOOSE explained in depth: PDU structure, the GOOSE control block, stNum and sqNum behavior, retransmission timing, multicast, and data sets.
GOOSE vs Sampled Values in IEC 61850: Key Differences
GOOSE vs Sampled Values compared on five points: data type, transmission behavior, latency, Ethernet transport, and use cases, plus network requirements.
IEC 61850 Data Sets: Static vs Dynamic Explained
IEC 61850 data sets compared: static, persistent dynamic, and non-persistent dynamic. How each is stored, how they map to MMS, and when to use which one.
What Is IEC 61850? The Language of Power System Functions
IEC 61850 is a data model, not just a protocol. How logical nodes give the substation a vocabulary, how ACSI abstracts services, and what SCL actually does.
IEC 61850 MMS Explained: Reporting, Control, Services
IEC 61850 MMS explained end to end: the client-server model, how the object model maps to MMS, the service set, the communication stack, and real applications.
DNP3 vs IEC 61850: Full Technical Comparison of SCADA and Digital Substation Protocols
DNP3-IP, designed for distribution SCADA and remote telemetry, and IEC 61850, built for advanced substation automation and high-speed protection schemes.
Modbus TCP Port 502: Setup, Security, Troubleshooting
Modbus TCP port 502 in depth: IANA registration, connection lifecycle, client limits, firewall rules, Wireshark filters, and the TLS secure variant on port 802.
How to Monitor SCADA Protocol Traffic (Modbus RTU/TCP, IEC-104, DNP3, IEC-61850)
Learn how to monitor Modbus, IEC-104, DNP3, and IEC 61850 traffic. Capture and analyze SCADA communication over serial and TCP/IP for reliable system performance.
IEC 104 News 2026: Standard Updates, Security & NIS2 Compliance
Stay updated with the latest IEC 104 news for 2026, including IEC TS 60870-5-7 security extensions, standard status, testing updates, and SCADA interoperability.
DNP3 Secure Authentication Version 6 (SAv6): Encryption and Authorization Explained
Learn how DNP3 Secure Authentication V6 (IEEE 1815-2020) adds AES-256-GCM encryption, AMP authorization, and LESS key management to SCADA systems.
DNP3 vs IEC 60870-5-104: Which Protocol Is Better for SCADA?
Compare DNP3 and IEC 60870-5-104 for SCADA systems—learn differences in architecture, performance, security, and use cases to choose the best protocol.
DNP3 Port Number Explained: TCP/UDP 20000, Secure Port 19999, and Firewall Configuration
Learn about the DNP3 port 20000 — its purpose, configuration, security measures, and best practices for safe SCADA communication in industrial networks.
DNP3 Report by Exception, Background Polls, and Balanced Communication
Explore DNP3’s report by exception mode, periodic background polls, and balanced communication that improve SCADA efficiency and reliability.
DNP3 System Topology Explained: Master, Multidrop, and Hierarchical
Learn about DNP3 system topologies — master–slave, multidrop, hierarchical, and multiple-master — used in SCADA communication networks.