What port does DNP3 use?

DNP3 uses port 20000 by default.

Unknown

Distributed Network Protocol 3

Q: What is Distributed Network Protocol 3?

Distributed Network Protocol 3 (DNP3) is a Application Layer protocol in the Industrial category. Robust communication protocol for SCADA systems in electric utilities and water treatment. Designed for noisy environments with data integrity checks and time-stamped events.

Application Layer — Industrial

Protocol Overview

Full Name Distributed Network Protocol 3

Abbreviation DNP3

OSI Layer Application Layer

Category Industrial

Default Port 20000

About DNP3

Robust communication protocol for SCADA systems in electric utilities and water treatment. Designed for noisy environments with data integrity checks and time-stamped events.

Application Layer Industrial Port 20000

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