DOCSP-21466 support for CANONICALIZE_HOST_NAME (#204)

* DOCSP-21466 support for CANONICALIZE_HOST_NAME

* Review feedback

* Review feedback

Author: Dave

source/connect.txt

@@ -267,14 +267,11 @@ To disconnect from a deployment and exit ``mongosh``, you can:
 Limitations
 -----------
 
-- ``mongosh`` has the following 
-  :manual:`Kerberos authentication </core/kerberos/>` limitations:
-
-  - ``authMechanismProperties=CANONICALIZE_HOST_NAME:true|false`` is not
-    permitted in the connection string. Instead, specify hostname 
-    canonicalization in the connection string with 
-    ``authMechanismProperties=gssapiCanonicalizeHostName:true|false``.
-  - Hostname canonicalization reverse lookup is not supported.
+- :manual:`Kerberos authentication </core/kerberos/>` does not permit
+  ``authMechanismProperties=CANONICALIZE_HOST_NAME:true|false`` in the
+  connection string. Use one of:
+  ``authMechanismProperties=CANONICALIZE_HOST_NAME:forward|forwardAndReverse|none``
+  instead.
 
 - ``mongosh`` currently only supports the ``zlib``
   :manual:`compressor </core/wiredtiger/#compression>`. The following 

source/reference/options.txt

@@ -419,11 +419,12 @@ Authentication Options
    If :option:`--sspiHostnameCanonicalization 
    <--sspiHostnameCanonicalization>` is set to:
 
-   - ``forward``, the effect is the same as setting ``authMechanismProperties=CANONICALIZE_HOST_NAME:true``.    
-   - ``none``, the effect is the same as setting ``authMechanismProperties=CANONICALIZE_HOST_NAME:false``.    
-
-   :option:`--sspiHostnameCanonicalization 
-   <--sspiHostnameCanonicalization>` cannot be set to ``forwardAndReverse``.  
+   - ``forwardAndReverse``, performs a forward DNS lookup and then a
+     reverse lookup. New in ``mongosh`` 1.3.0.
+   - ``forward``, the effect is the same as setting
+     ``authMechanismProperties=CANONICALIZE_HOST_NAME:true``.    
+   - ``none``, the effect is the same as setting
+     ``authMechanismProperties=CANONICALIZE_HOST_NAME:false``.    
 
 .. option:: --password <password>, -p <password>