[jira] [Created] (KAFKA-14369) Docs - KRAFT controller authentication example

[Domenic Bove (Jira)]

Domenic Bove created KAFKA-14369:
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             Summary: Docs - KRAFT controller authentication example
                 Key: KAFKA-14369
                 URL: https://issues.apache.org/jira/browse/KAFKA-14369
             Project: Kafka
          Issue Type: Bug
          Components: docs
    Affects Versions: 3.3.1
            Reporter: Domenic Bove


The [Kafka Listener docs 
|https://kafka.apache.org/documentation/#listener_configuration]mention how to 
handle kafka protocols (other than PLAINTEXT) on the KRAFT controller listener, 
but it is not a working example and I found that I was missing this property: 
`sasl.mechanism.controller.protocol` when attempting to do SASL_PLAINTEXT on 
the controller listener. I see that property here: 
[https://kafka.apache.org/documentation/#brokerconfigs_sasl.mechanism.controller.protocol]

But nowhere else. 

I wonder if a complete working example would be better. Here are my working 
configs for sasl plain on the controller

 
{code:java}
process.roles=controller
listeners=CONTROLLER://:9093 
node.id=1
controller.quorum.voters=1@localhost:9093
controller.listener.names=CONTROLLER
listener.security.protocol.map=CONTROLLER:SASL_PLAINTEXT
listener.name.controller.plain.sasl.jaas.config=org.apache.kafka.common.security.plain.PlainLoginModule
 required username="admin" password="admin-secret" user_admin="admin-secret" 
user_alice="alice-secret";
listener.name.controller.sasl.enabled.mechanisms=PLAIN
listener.name.controller.sasl.mechanism=PLAIN
sasl.enabled.mechanisms=PLAIN
sasl.mechanism.controller.protocol=PLAIN{code}
 

Or maybe just a callout of that property in the existing docs



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