Port 6379 supports Redis and Redis (UDP reference coverage) across distinct transports. Review each protocol before writing firewall or monitoring policy.
Default Redis client/server endpoint.
Application caching, queues, sessions, streams and in-memory data structures.
Client to server
Never expose unauthenticated Redis publicly. Use ACLs, TLS where supported, protected networking and disable dangerous commands where justified.
Redis (UDP reference coverage) is documented as a network service convention for port 6379 over UDP.
Use this reference entry when identifying or validating systems documented to use 6379/UDP.
Varies
Confirm the listening process and current vendor documentation before permitting traffic; a listed convention does not prove the active service or its security posture.