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Using Ranger to Provide Authorization in Hadoop

Once a user has been authenticated, their access rights must be determined. Authorization defines user access rights to resources. For example, a user may be allowed to create a policy and view reports, but not allowed to edit users and groups. You can use Ranger to set up and manage access to Hadoop services.

Ranger enables you to create services for specific Hadoop resources (HDFS, HBase, Hive, etc.) and add access policies to those services. You can also create tag-based services and add access policies to those services. Using tag-based policies enables you to control access to resources across multiple Hadoop components without creating separate services and policies in each component. You can also use Ranger TagSync to synchronize the Ranger tag store with an external metadata service such as Apache Atlas.

For more information on Ranger authorization, see the Authorization overview.