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Hadoop RPC protection

Hadoop RPC protection

Explorer

Hello Team,

 

We have CDH 5.13 with kerberos and TLS Enabled Cluster.

 

By default Cloudera set the below property to Authentication.

hadoop.rpc.protection:  Authentication

 

My question is

 

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

hadoop.rpc.protection 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?

hadoop.rpc.protection to  Privacy 

 

3. If i have hadoop.rpc.protection 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