Port 6379 — Redis
Quick reference for TCP/UDP port 6379, used by Redis. Includes what the service does, security guidance and related ports.
What is port 6379?
Redis in-memory store. Bind to localhost or require authentication.
What port does Redis use?
Redis listens on port 6379 by default.
Is port 6379 open? How to check
Run one of these from your computer, replacing HOST with the IP address or domain you want to test.
nc -zv HOST 6379
Test-NetConnection HOST -Port 6379
nmap -p 6379 HOST
A refused or timed-out connection means the port is closed or filtered by a firewall.
Security guidance
High risk — do not expose to the internet
Port 6379 (Redis) is high-risk because the service it carries is a frequent target for credential attacks, brute force or unpatched-vulnerability scanning. Keep it bound to localhost or your VPN, never forward it directly on a router, and require strong authentication.
Related ports
Frequently asked
What is port 6379 used for?+
Port 6379 is the standard TCP/UDP port for Redis. Redis in-memory store. Bind to localhost or require authentication.
What port does Redis use?+
Redis listens on port 6379 by default.
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