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KafkaServer {
com.sun.security.auth.module.Krb5LoginModule required
useKeyTab=true
keyTab="/keytabs/kafka.keytab"
storeKey=true
useTicketCache=false
serviceName="kafka" // this will be used to connect to other brokers for replica management and also controller requests. This should be set to whatever principal that kafka brokers are running.
principal="kafka/_HOST@EXAMPLE.COM";
};
Client {
com.sun.security.auth.module.Krb5LoginModule required
useKeyTab=true
keyTab="/vagrant/keytabs/stormkafka.keytab"
storeKey=true
useTicketCache=false
serviceName="zookeeper"
principal="kafka@EXAMPLE.COM";
}


KafkaServer will be used to authenticate Kafka broker against kerberos
and Client section will be used for zkClient to access kerberos enabled zookeeper cluster.

KafkaClient {
com.sun.security.auth.module.Krb5LoginModule required
useKeyTab=true
keyTab="/keytabs/kafkakafkaclient.keytab"
storeKey=true
useTicketCache=truefalse
serviceName="kafka"
principal="kafkaproducer/_HOST@EXAMPLE.COM";
};
 
The above config is for any client ( producer, consumer) connecting to kerberos enabled Kafka cluster.
Here serviceName must match the principal name used under KafkaServer.