Category Archives: Platform Security & Cybersecurity

Authorization and Authentication In Hadoop

Categories: General Hadoop Platform Security & Cybersecurity

One of the more confusing topics in Hadoop is how authorization and authentication work in the system. The first and most important thing to recognize is the subtle, yet extremely important, differentiation between authorization and authentication, so let’s define these terms first:

Authentication is the process of determining whether someone is who they claim to be.

Authorization is the function of specifying access rights to resources.

In simpler terms,

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Introducing Alfredo, Kerberos HTTP SPNEGO for Java

Categories: Community Hadoop Platform Security & Cybersecurity

What is Kerberos & SPNEGO?

Kerberos is an authentication protocol that provides mutual authentication and single sign-on capabilities.

SPNEGO is a plain text mechanism for negotiating authentication protocols between peers; one notable application of this is Kerberos authentication over HTTP.

What is Alfredo?

Alfredo is an Open Source Java library providing support for Kerberos HTTP SPNEGO authentication.

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