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Hadoop RPC protection


Hadoop RPC protection


Hello Team,


We have CDH 5.13 with kerberos and TLS Enabled Cluster.


By default Cloudera set the below property to Authentication.  Authentication


My question is


1. I have TLS Enabled Cluster, Do i have to update property to  Privacy  

Data Transfer Encryption Algorithm  AES 256

Enable Data Transfer Encryption      Yes


2. What if i have updated only below property and not above mentioned rest 2? to  Privacy 


3. If i have set to authentication, does that means data Transfer in between Datanodes and in between datanodes to client will not be ecnrypted?


Kindly suggest for above 3 queries.


- Vijay M