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TCP 9094

ProtocolTCP
Port9094
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Synopsis

  • Apache Kafka commonly uses TCP/9094 as an additional listener, typically for SASL_SSL or an external TLS client endpoint.
  • Confluent Platform deployments and examples frequently configure Kafka listeners as 9092 (PLAINTEXT), 9093 (SSL), and 9094 (SASL_SSL).
  • The Strimzi/Red Hat AMQ Streams operator exposes Kafka brokers on 9094 for the external TLS listener in Kubernetes (e.g., NodePort/LoadBalancer services).
  • Bitnami’s Kafka Helm chart opens port 9094 on broker containers for external client access.
  • IBM Event Streams (Kafka on OpenShift, built on Strimzi) also uses 9094 for external Kafka client connections.

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