https://community.cloudera.com/t5/Support-Questions/NiFi-Error-Despite-Successful-SSL-Handshake-using-openssl-s/m-p/289367#M214203 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/73987">@JC_ROS</a>&nbsp;<BR /><BR />I struggle with how your NiFi communicates with a NiFi-Registry without clientAuth in your NiFi node's PrivateKeyEntry unless your NiFi-registry has not been secured.</P><P>&nbsp;</P><P>The NiFi nodes must be authorized in your NiFi-Registry to both Read buckets and act as a proxy.&nbsp; Authorizing a NiFi node requires that the node authenticate itself in the TLS handshake.&nbsp; Unless of course you have authorized "anonymous".<BR /><BR />Thanks,</P><P>Matt</P> Fri, 07 Feb 2020 16:55:09 GMT MattWho 2020-02-07T16:55:09Z