What port does NATS use?

NATS uses port 4222 by default.

Unknown

NATS Messaging System

Q: What is NATS Messaging System?

NATS Messaging System (NATS) is a Application Layer protocol in the Messaging category. High-performance open-source messaging system for cloud-native applications. Supports core pub/sub, request/reply, and JetStream for persistent streaming with at-least-once delivery.

Application Layer — Messaging

Protocol Overview

Full Name NATS Messaging System

Abbreviation NATS

OSI Layer Application Layer

Category Messaging

Default Port 4222

About NATS

High-performance open-source messaging system for cloud-native applications. Supports core pub/sub, request/reply, and JetStream for persistent streaming with at-least-once delivery.

Application Layer Messaging Port 4222

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