diff --git a/docs/configuration.md b/docs/configuration.md
index 7b0cc86..06df2fc 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -285,6 +285,46 @@ force_logins: False
 #   one user has been created, overriding the "trusted_clients" configuration.
 #   If no users have been created then trusted client checks will apply.
 #   The default is False.
+default_source: moonraker
+#   The default source used to authenticate user logins. Can be "ldap" or
+#   "moonraker"  The default is "moonraker".
+```
+
+### `[ldap]`
+
+The `ldap` module may be used by `[authorization]` to perform user
+authentication though an ldap server.
+
+```ini
+# moonraker.conf
+
+[ldap]
+ldap_host: ldap.local
+#   The host address of the LDAP server.  This parameter must be provided
+ldap_port:
+#   The LDAP server's port.  The default is 389 for standard connections
+#   and 636 for SSL/TLS connections.
+ldap_secure: True
+#   Enables LDAP over SSL/TLS. The default is False.
+base_dn: DC=ldap,DC=local
+#   The base distinguished name used to search for users on the server.
+#   This option accepts Jinja2 Templates, see the [secrets] section for details.
+#   This parameter must be provided.
+bind_dn: {secrets.ldap_credentials.bind_dn}
+#   The distinguished name for bind authentication.  For example:
+#       CN=moonraker,OU=Users,DC=ldap,DC=local
+#   This option accepts Jinja2 Templates, see the [secrets] section for
+#   details.  By default the ldap client will attempt to bind anonymously.
+bind_password: {secrets.ldap_credentials.bind_password}
+#   The password for bind authentication. This option accepts Jinja2 Templates,
+#   see the [secrets] section for details.  This parameter must be provided
+#   if a "bind_dn" is specified, otherwise it must be omitted.
+group_dn: CN=moonraker,OU=Groups,DC=ldap,DC=local
+#   A group distinguished name in which the user must be a member of to pass
+#   authentication.  This option accepts Jinja2 Templates, see the [secrets]
+#   section for details. The default is no group requirement.
+is_active_directory: True
+#   Enables support for Microsoft Active Directory.  The default is False.
 ```
 
 ### `[octoprint_compat]`
diff --git a/docs/web_api.md b/docs/web_api.md
index 9086b97..5246b47 100644
--- a/docs/web_api.md
+++ b/docs/web_api.md
@@ -1900,11 +1900,18 @@ Content-Type: application/json
 
 {
     "username": "my_user",
-    "password": "my_password"
+    "password": "my_password",
+    "source": "moonraker"
 }
 ```
 JSON-RPC request: Not Available
 
+Arguments:
+- `username`: The user login name.  This argument is required.
+- `password`: The user password. This arugment is required.
+- `source`:  The authentication source.  Can be `moonraker` or `ldap`. The
+  default is `moonraker`.
+
 Returns: An object the logged in username, auth token, refresh token,
 and action summary:
 ```json
@@ -1912,7 +1919,8 @@ and action summary:
     "username": "my_user",
     "token": "eyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9.eyJpc3MiOiAiTW9vbnJha2VyIiwgImlhdCI6IDE2MTg4NzY4MDAuNDgxNjU1LCAiZXhwIjogMTYxODg4MDQwMC40ODE2NTUsICJ1c2VybmFtZSI6ICJteV91c2VyIiwgInRva2VuX3R5cGUiOiAiYXV0aCJ9.QdieeEskrU0FrH7rXKuPDSZxscM54kV_vH60uJqdU9g",
     "refresh_token": "eyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9.eyJpc3MiOiAiTW9vbnJha2VyIiwgImlhdCI6IDE2MTg4NzY4MDAuNDgxNzUxNCwgImV4cCI6IDE2MjY2NTI4MDAuNDgxNzUxNCwgInVzZXJuYW1lIjogIm15X3VzZXIiLCAidG9rZW5fdHlwZSI6ICJyZWZyZXNoIn0.btJF0LJfymInhGJQ2xvPwkp2dFUqwgcw4OA_wE-EcCM",
-    "action": "user_logged_in"
+    "action": "user_logged_in",
+    "source": "moonraker"
 }
 ```
 - The `token` field is a JSON Web Token used to authorize the user.  It should
@@ -1924,7 +1932,7 @@ and action summary:
 
 !!! Note
     This endpoint may be accessed by unauthorized clients.  A 401 would
-    only be returned if the username and/or password is invalid.
+    only be returned if the authentication failed.
 
 #### Logout Current User
 HTTP Request:
@@ -1949,11 +1957,12 @@ GET /access/user
 ```
 JSON-RPC request: Not Available
 
-Returns: An object containing the currently logged in user name and
+Returns: An object containing the currently logged in user name, the source and
 the date on which the user was created (in unix time).
 ```json
 {
     "username": "my_user",
+    "source": "moonraker",
     "created_on": 1618876783.8896716
 }
 ```
@@ -1972,13 +1981,15 @@ Content-Type: application/json
 JSON-RPC request: Not Available
 
 Returns: An object containing the created user name, an auth token,
-a refresh token, and an action summary.  Creating a user also effectively
-logs the user in.
+a refresh token, the source, and an action summary.  Creating a user also
+effectively logs the user in.
+
 ```json
 {
     "username": "my_user",
     "token": "eyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9.eyJpc3MiOiAiTW9vbnJha2VyIiwgImlhdCI6IDE2MTg4NzY3ODMuODkxNjE5LCAiZXhwIjogMTYxODg4MDM4My44OTE2MTksICJ1c2VybmFtZSI6ICJteV91c2VyIiwgInRva2VuX3R5cGUiOiAiYXV0aCJ9.oH0IShTL7mdlVs4kcx3BIs_-1j0Oe-qXezJKjo-9Xgo",
     "refresh_token": "eyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9.eyJpc3MiOiAiTW9vbnJha2VyIiwgImlhdCI6IDE2MTg4NzY3ODMuODkxNzAyNCwgImV4cCI6IDE2MjY2NTI3ODMuODkxNzAyNCwgInVzZXJuYW1lIjogIm15X3VzZXIiLCAidG9rZW5fdHlwZSI6ICJyZWZyZXNoIn0.a6ZeRjk8RQQJDDH0JV-qGY_d_HIgfI3XpsqUlUaFT7c",
+    "source": "moonraker",
     "action": "user_created"
 }
 ```
@@ -2028,10 +2039,12 @@ Returns: A list of created users on the system
     "users": [
         {
             "username": "testuser",
+            "source": "moonraker",
             "created_on": 1618771331.1685035
         },
         {
             "username": "testuser2",
+            "source": "ldap",
             "created_on": 1620943153.0191233
         }
     ]
@@ -2076,11 +2089,12 @@ Content-Type: application/json
 
 JSON-RPC request: Not Available
 
-Returns:  The username, new auth token, and action summary.
+Returns:  The username, new auth token, the source and action summary.
 ```json
 {
     "username": "my_user",
     "token": "eyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9.eyJpc3MiOiAiTW9vbnJha2VyIiwgImlhdCI6IDE2MTg4NzgyNDMuNTE2Nzc5MiwgImV4cCI6IDE2MTg4ODE4NDMuNTE2Nzc5MiwgInVzZXJuYW1lIjogInRlc3R1c2VyIiwgInRva2VuX3R5cGUiOiAiYXV0aCJ9.Ia_X_pf20RR4RAEXcxalZIOzOBOs2OwearWHfRnTSGU",
+    "source": "moonraker",
     "action": "user_jwt_refresh"
 }
 ```