authentication.txt

.. _csharp-authentication-mechanisms:

=========================
Authentication Mechanisms
=========================

.. contents:: On this page
   :local:
   :backlinks: none
   :depth: 2
   :class: singlecol

.. facet::
   :name: genre
   :values: reference

.. meta::
   :keywords: .NET, community, security
   :description: Learn how to authenticate to MongoDB using various authentication mechanisms compatible with different MongoDB Server editions.

.. toctree::
   :caption: Authentication

   SCRAM </fundamentals/authentication/scram>
   X.509 </fundamentals/authentication/x509>
   AWS IAM </fundamentals/authentication/aws-iam>
   OIDC </fundamentals/authentication/oidc>
   LDAP (PLAIN) </fundamentals/authentication/ldap>
   Kerberos (GSSAPI) </fundamentals/authentication/kerberos>

Overview
--------

In this guide, you can learn how to authenticate to MongoDB by using the
**authentication mechanisms** available in {+mdb-server+}.
Authentication mechanisms are processes by which the driver and server confirm
the identity of a client to ensure security before connecting.

.. tip:: Connecting to MongoDB
   
   To learn how to establish a connection to your MongoDB deployment, see the
   :ref:`csharp-connect-to-mongodb`.

MongoDB Edition Compatibility
-----------------------------

The following table lists the authentication mechanisms supported by MongoDB and
the {+mdb-server+} editions that each mechanism is compatible with. Click the name of
a mechanism to learn more about how to use it with your application.

.. list-table::
   :header-rows: 1
   :stub-columns: 1

   * - Authentication Mechanism
     - Atlas
     - Enterprise Advanced
     - Community
   * - :ref:`<csharp-authentication-scram>`
     - Yes
     - Yes
     - Yes
   * - :ref:`<csharp-authentication-x509>`
     - Yes
     - Yes
     - Yes
   * - :ref:`<csharp-authentication-aws>`
     - Yes
     - No
     - No
   * - :ref:`OIDC (Workload Identity Federation) <csharp-authentication-oidc>`
     - Yes
     - Yes
     - No
   * - :ref:`<csharp-authentication-ldap>`
     - Yes
     - Yes
     - No
   * - :ref:`Kerberos (GSSAPI) <csharp-authentication-kerberos>`
     - No
     - Yes
     - No