What is Knox in Hadoop?

The Apache Knox Gateway (“Knox”) provides perimeter security so that the enterprise can confidently extend Hadoop access to more of those new users while also maintaining compliance with enterprise security policies. Knox also simplifies Hadoop security for users who access the cluster data and execute jobs.

What are the Hadoop UIs supported by Knox?

Besides this Apache Knox also supports following Apache Hadoop UIs: Name Node UI. Job History UI. Oozie UI.

What is Hadoop secure mode?

When Hadoop is configured to run in secure mode, each Hadoop service and each user must be authenticated by Kerberos. Forward and reverse host lookup for all service hosts must be configured correctly to allow services to authenticate with each other. Host lookups may be configured using either DNS or /etc/hosts files.

How do you secure a Hadoop environment?

How Hadoop achieve Security?

  1. Kerberos. Kerberos is an authentication protocol that is now used as a standard to implement authentication in the Hadoop cluster.
  2. Transparent Encryption in HDFS. For data protection, Hadoop HDFS implements transparent encryption.
  3. HDFS file and directory permission.

What is Knox SSO?

Knox SSO provides web UI SSO (Single Sign-on) capabilities to your cluster. Knox SSO enables your users to login once and gain access to cluster resources. To set up Knox SSO, you will configure an identity provider, enable SSO using the Ambari CLI, and then manually configure various component settings.

What is Apache Gateway?

The Apache Knox™ Gateway is an Application Gateway for interacting with the REST APIs and UIs. of Apache Hadoop deployments. The Knox Gateway provides a single access point for all REST and HTTP interactions with Apache Hadoop. clusters.

What is Apache Ranger?

Apache Ranger is a framework to enable, monitor, and manage comprehensive data security across the Hadoop platform. Apache Ranger has the following features: Centralized security administration to manage all security related tasks in a central UI or using REST APIs.

What is Hadoop default security?

By default Hadoop runs in non-secure mode in which no actual authentication is required. By configuring Hadoop runs in secure mode, each user and service needs to be authenticated by Kerberos in order to use Hadoop services.

What are four key pillars of Hadoop security?

Effective Hadoop security depends on a holistic approach that revolves around five pillars of security: administration, authentication and perimeter security, authorization, auditing, and data protection.

What is ambari in Hadoop?

Introduction. The Apache Ambari project is aimed at making Hadoop management simpler by developing software for provisioning, managing, and monitoring Apache Hadoop clusters. Ambari provides an intuitive, easy-to-use Hadoop management web UI backed by its RESTful APIs.