Hadoop - Ranger (Security)

> Database > (Apache) Hadoop

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