Hadoop - Ranger (Security)

1 - About

Apache Ranger provides security to deliver monitor, manage data security to Hadoop clusters.

It provides a centralized platform define, administer & manage security policies in Hadoop.

3 - Policy

3.1 - Default

If a policy doesn’t exist in Ranger, then Ranger would default to native permissions model in HDFS (POSIX or HDFS ACL)

The option for fallback model is configured using a property in Ambari > Ranger > HDFS config > Advanced ranger-hdfs-security xa.secure.add-hadoop-authorization

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