https://community.cloudera.com/t5/Support-Questions/Kafka-security-inter-broker-protocol-can-not-be-set-to-SASL/m-p/79302#M45309 <P>Just found the reason here: <A href="https://github.com/cloudera/cm_csds/blob/master/KAFKA/src/scripts/control.sh" target="_blank">https://github.com/cloudera/cm_csds/blob/master/KAFKA/src/scripts/control.sh</A></P><P>&nbsp;</P><PRE>if [[ ${SECURITY_INTER_BROKER_PROTOCOL} == *"SASL"* &amp;&amp; ${KERBEROS_AUTH_ENABLED} != "true" ]]; then echo "security.inter.broker.protocol can not be set to ${SECURITY_INTER_BROKER_PROTOCOL}, as Kerberos is not enabled on this Kafka broker." exit 1 fi</PRE><P>As I correctly understand Kafka brokers can communicate with SASL_SSL without Kerberos</P><P>Can someone from Cloudera please comment it?</P><P>&nbsp;</P><P>Thanks</P> Sat, 01 Sep 2018 11:30:16 GMT Denys 2018-09-01T11:30:16Z