Zookeeper Encrypt Communication

[#1]

Is it possible to encrypt all communication from/to Zookeeper? I haven't seen any HDP documentation.

[#2]

@Jason Farbman

I have never tried the same on my local HDP setup but looks like Zookeeper can be configured to use SSL for encrypted communication.

https://cwiki.apache.org/confluence/display/ZOOKEEPER/ZooKeeper+SSL+User+Guide

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By default network communication of ZooKeeper isn’t encrypted. However, each user and service can leverage the SSL feature and/or custom authentication implementation in order to use ZooKeeper in secure mode.

This feature is added from Zookeeper version 3.5.1, 3.6.0 as part of "Sub Task" JIRA: https://issues.apache.org/jira/browse/ZOOKEEPER-2125

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Unfortunately even the latest HDP version (which is HDP 2.6.3) includes the Zookeeper version "Apache ZooKeeper 3.4.6" so this feature is not available in HDP yet.