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https://issues.apache.org/jira/browse/AMBARI-22981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandor Molnar resolved AMBARI-22981.
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Resolution: Fixed
> Update Hadoop RPC Encryption Properties During Upgrade
> ------------------------------------------------------
>
> Key: AMBARI-22981
> URL: https://issues.apache.org/jira/browse/AMBARI-22981
> Project: Ambari
> Issue Type: Task
> Components: ambari-server
> Affects Versions: 2.7.0
> Reporter: Sandor Molnar
> Assignee: Sandor Molnar
> Priority: Critical
> Labels: pull-request-available
> Fix For: 2.7.0
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> When *HDP 3.0.0* is installed, clients should have the ability to choose
> encrypted communication over RPC when talking to core hadoop components.
> Today, the properties that control this are:
> - {{core-site.xml : hadoop.rpc.protection = authentication}}
> - {{hdfs-site.xml : dfs.data.transfer.protection = authentication}}
> The new value of {{privacy}} enables clients to choose an encrypted means of
> communication. By keeping {{authentication}} first, it will be taken as the
> default mechanism so that wire encryption is not automatically enabled by
> accident.
> The following properties should be changed to add {{privacy}}:
> - {{core-site.xml : hadoop.rpc.protection = authentication,privacy}}
> - {{hdfs-site.xml : dfs.data.transfer.protection = authentication,privacy}}
> The following are cases when this needs to be performed:
> - During Kerberization (this case is covered by AMBARI-22803)
> - During a stack upgrade to any version of *HDP 3.0.0*, they should be
> automatically merged
> Blueprint deployment is not a scenario being covered here.
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