Two Redis Ports, One TLS Boundary
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Two Redis Ports, One TLS Boundary A Redis Cluster node can expose a client port and a cluster bus port. The first carries application commands; the second carries node-to-node cluster traffic. Enabling TLS only for application clients leaves a second network path that deserves its own review. The cluster bus is a separate path Redis documentation describes each cluster node as needing a client TCP port, commonly 6379, and a cluster bus port. The bus port is used for cluster communication. It is not an ordinary application endpoint, even when it is reachable from the same network segment. The T
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