Kerbores Principle Explanation

[#1]

Team,

Can someone explain me

1) Difference between the below principles

2) why we need to separate principles

3) How is principles work

User principle and Service principle

user@Example.COM

namenode/nn1@EXAMPLE.COM

datanode/_HOST@EXAMPLE.COM

user/admin@EXAMPLE.COM

[#2]

Hi @suresh krish, the Kerberos Principals section from the Apache Hadoop docs should answer some of your questions.

I found the first few chapters of the book Hadoop Security to be a readable introduction to this complex topic.