This guide is intended for system administrators who want to secure a cluster using data encryption, user authentication, and authorization techniques. It provides conceptual overviews and how-to information about setting up various Hadoop components for optimal security, including how to setup a gateway to restrict access. This guide assumes that you have basic knowledge of Linux and systems administration practices, in general.

Continue reading:

• Cloudera Security Overview
• Configuring Authentication
• Configuring Encryption
• Configuring Authorization
• Overview of Impala Security
• Security How-To Guides
• Troubleshooting