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Hadoop 2.x Administration Cookbook by Gurmukh Singh

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Chapter 12. Security

In this chapter, we will cover the following recipes:

  • Introduction
  • Encrypting disk using LUKS
  • Configuring Hadoop users
  • HDFS encryption at Rest
  • Configuring SSL in Hadoop
  • In-transit encryption
  • Enabling service level authorization
  • Securing ZooKeeper
  • Configuring auditing
  • Configuring Kerberos server
  • Configuring and enabling Kerberos for Hadoop

Introduction

In this chapter, we will configure Hadoop cluster to run in secure mode and enable authentication, authorization, and secure transit data. By default, Hadoop runs in nonsecure mode with no access control on data blocks or service-level access. We can run all the Hadoop daemons with a single user hadoop, without worrying about security and which daemons access what.

In addition to this, it ...

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