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The MongoDB database administrators in a large enterprise may need to configure MongoDB to support Kerberos Authentication. This article is geared towards bridging that gap and to help you understand how to set up and configure the system. It is designed to provide strong authentication for client/server applications by using secret-key cryptography. It works on the basis of tickets to allow nodes communicating over a non-secure network, to prove their identity to one another in a secure manner. These proof of identity tickets are issued by a trusted 3rd party (Key Distribution Center) and are encrypted with a secret/symmetric key.