SCADA Protocols

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Protocol Comparison(18)

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Allen-Bradley(8)

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Industrial Ethernet(6)

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client/server(4)

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IEC 60870-5-104(4)

Master-Slave(4)

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electronic keying(3)

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IEC 62443-2-1(3)

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IEC 61850-9-2(2)

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ISO 27001:2022(2)

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ENBT / 1756-ENBT(1)

Encapsulation Command 0x0000 NOP(1)

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EtherNet/IP TCP/UDP 44818/2222(1)

Ethertype 0x8892(1)

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Fixed-Length Frame(1)

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Forward Close 0x4E(1)

forward open(1)

Forward Open 0x54(1)

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FR3 system integrity(1)

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frozen counters(1)

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Get Attribute Single(1)

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GetDataValues(1)

Group 120 objects(1)

hardware inventory(1)

Hardware Timestamping(1)

Hierarchical(1)

High-availability Seamless Redundancy(1)

HMAC-SHA-256(1)

HTTP Upgrade(1)

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I/O Communication(1)

IANA registration(1)

ICCP / TASE.2(1)

ICCP Object Models(1)

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ICCP Security(1)

ICS security(1)

ICS/OT matrix(1)

Identity Object(1)

IEC 104 Security(1)

IEC 60870-5-101(1)

IEC 60870-5-103(1)

IEC 61850-9-3(1)

IEC/TS 60870-5-7(1)

IEEE 1588 PTP(1)

IEEE 1815-2012(1)

IEEE C37.238(1)

IIN / Internal Indications(1)

impact vs likelihood(1)

implementation guide(1)

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industrial automation(1)

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Industry 4.0(1)

Inflight Messages(1)

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input registers(1)

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interconnection(1)

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internal audit(1)

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KEK / Session Key(1)

Ladder Logic(1)

LAN A / LAN B(1)

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little-endian(1)

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MB_CLIENT / MB_SERVER(1)

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minimalmodbus(1)

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Motion Axis Object(1)

MQTT over WebSockets(1)

Multi-Level Wildcard(1)

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multicast filtering(1)

Multiple Service Packet 0x0A(1)

mutual authentication(1)

NamespaceIndex(1)

NAT traversal(1)

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Network Architecture(1)

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NIST SP 800-207(1)

node count limits(1)

OASIS Standard(1)

object groups(1)

Object Model(1)

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Offset Clock Model(1)

operational technology(1)

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Organizational controls(1)

Originator Address(1)

OT asset discovery(1)

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over EtherCAT(1)

Over Ethernet(1)

PA Device Profile(1)

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Packet Limits(1)

Padded Packed Paths(1)

Parallel Redundancy Protocol(1)

Payload Format Description(1)

PDCA / Plan-Do-Check-Act(1)

Peer-to-Peer(1)

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Physical controls(1)

physical security(1)

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PLC security(1)

Point-to-Point(1)

policy & procedure(1)

Poll + Unsolicited(1)

Port 102 TCP(1)

port roles: Root/Designated/Alternate(1)

Port Segments(1)

position control(1)

Power System(1)

Precision Time Protocol(1)

Presentation Layer(1)

Primary Host(1)

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Protection Relays(1)

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Protocol Errors(1)

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PTP Grandmaster Clock Class A/B(1)

PUBLISH Size(1)

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Purdue Enterprise Reference Model(1)

Quality Descriptors(1)

Quality of Service(1)

Queued Messages(1)

quiescent operation(1)

Radio/Serial(1)

Rapid Spanning Tree(1)

RBE thresholds(1)

READ_VAR / WRITE_VAR(1)

Real-Time Class 3(1)

Receive Maximum(1)

Redundancy Control Trailer(1)

Redundancy Tag(1)

redundant network(1)

register map(1)

RegisterSession 0x0065(1)

Reliability Coordinator(1)

Report by Exception(1)

ReportDataValues(1)

request fragments(1)

requirements checklist(1)

Reset service(1)

response fragments(1)

Reverse Proxy(1)

Revision fields(1)

ring port role: Manager / Client(1)

Ring Redundancy(1)

ring supervisor(1)

Ring Topology(1)

risk-based patching(1)

risk-based security(1)

routing vs forwarding(1)

S7 Communication(1)

S7-1200/S7-1500(1)

SA v5 Aggressive Mode(1)

SA v6 (IEEE Std 1815-2012+)(1)

Safety Communication(1)

safety instrumented systems(1)

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Safety Validator(1)

SAN (Single-Attached Node)(1)

SCADA Architecture(1)

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Select Before Operate(1)

self-description(1)

SendRRData 0x006F(1)

SendUnitData 0x0070(1)

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Service Code 0x01(1)

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SSLKEYLOGFILE(1)

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Zones and Conduits(1)