Ranger KMS Encryption Range KMS is used to encrypt the HDFS (data at rest). This is very important for your cluster and customer to encrypt your data. It gives more security to your data. Ranger provides centralized administration of the key management server through the Ranger admin portal. There are 3 main functions provided by Ranger KMS. 1. Key Management: It provided you facility to create/update/delete keys using UI interface. Using keyadmin username and password. 2. Access Control Policies: through this you can manage the permission of your keys. 3. Audit: this helps you to track the activities on your Ranger KMS. Ranger KMS with hdfs encryption is recommended to use in all env. To secure the key storage using database. KMS is also scalable and you can use multiple versions of KMS behind the load balancer. This blog page depicts the Process of Creating the Encryption Zone. Process: Step 1 : Cre...