DOCSP-45454-oidc-ldap-shell (#369)

* DOCSP-45454-oidc-ldap-shell

* DOCSP-45454-oidc-ldap-shell

* DOCSP-45454-oidc-ldap-shell

* DOCSP-45454-oidc-ldap-shell

* DOCSP-45454-oidc-ldap-shell

* DOCSP-45454-oidc-ldap-shell

---------

Co-authored-by: jason-price-mongodb <[email protected]>

Author: jason-price-mongodb

source/reference/options.txt

@@ -452,15 +452,28 @@ Authentication Options
 
         - External authentication using LDAP. You can also use ``PLAIN``
           for authenticating in-database users. ``PLAIN`` transmits
-          passwords in plain text. This mechanism is available only in
-          `MongoDB Enterprise
-          <http://www.mongodb.com/products/mongodb-enterprise-advanced?jmp=docs>`_.
+          passwords in plain text. This mechanism is
+          available in `MongoDB Enterprise
+          <http://www.mongodb.com/products/mongodb-enterprise-advanced?jmp=docs>`_
+          and `MongoDB Atlas
+          <https://www.mongodb.com/atlas/database?tck=docs_server>`_.
 
       * - :manual:`MONGODB-OIDC </core/security-oidc/>` (OpenID Connect) 
 
         - External authentication using OpenID Connect. This mechanism is
-          available only in `MongoDB Enterprise
-          <http://www.mongodb.com/products/mongodb-enterprise-advanced?jmp=docs>`_.
+          available in `MongoDB Enterprise
+          <http://www.mongodb.com/products/mongodb-enterprise-advanced?jmp=docs>`_
+          and `MongoDB Atlas
+          <https://www.mongodb.com/atlas/database?tck=docs_server>`_.
+
+      * - ``MONGODB-AWS`` (AWS IAM) 
+
+        - External authentication using Amazon Web Services Identity and
+          Access Management (AWS IAM) credentials. This mechanism is
+          available in `MongoDB Enterprise
+          <http://www.mongodb.com/products/mongodb-enterprise-advanced?jmp=docs>`_
+          and `MongoDB Atlas
+          <https://www.mongodb.com/atlas/database?tck=docs_server>`_.
 
 .. option:: --gssapiServiceName