broker_jaas.conf

KafkaServer {
    com.sun.security.auth.module.Krb5LoginModule required
    useKeyTab=true
    storeKey=true
    keyTab="/etc/kafka/secrets/kerberized_kafka.keytab"
    principal="kafka/kerberized_kafka1@TEST.CONFLUENT.IO";
};
Client {
    com.sun.security.auth.module.Krb5LoginModule required
    useKeyTab=true
    storeKey=true
    keyTab="/etc/kafka/secrets/zkclient.keytab"
    principal="zkclient@TEST.CONFLUENT.IO";
};