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Port 6379 (Redis) — What It Is and How to Use It

Port 6379 is the default port for Redis, an open-source, in-memory data structure store used as a database, cache, and message broker. It's crucial for applications requiring high performance and low-latency data access, making it a cornerstone for many modern web services and microservices architectures.

Last updated: 2026-06-11

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Port Number 6379
Protocol Redis

Common Use Cases

  • Caching frequently accessed data to improve application response times.
  • Implementing real-time analytics and leaderboards.
  • Managing session data for web applications.
  • Acting as a message broker for inter-service communication.
  • Storing and retrieving geospatial data.

Interactive Command Builder

nc -zv example.com 6379

Check if Port 6379 is Open

sudo netstat -tulnp | grep 6379
netstat -ano | findstr :6379
⚠️ Security Note: Leaving port 6379 exposed to the internet without proper authentication and firewall rules can lead to unauthorized access, data breaches, and potential denial-of-service attacks. It's highly recommended to bind Redis to a local interface or secure it with strong authentication and network access controls.

Related Ports

Port 11211 Port 27017 Port 5432 Port 3306

Frequently Asked Questions

Is port 6379 dangerous to leave open?

Yes, leaving port 6379 open to the public internet without proper security measures is highly dangerous. It can expose your Redis instance to unauthorized access, data theft, and potential exploitation, as Redis historically lacked strong built-in authentication by default.

What service uses port 6379?

Port 6379 is the default port used by Redis (Remote Dictionary Server), an open-source, in-memory data structure store. It's widely used for caching, session management, real-time analytics, and as a message broker.