3.2.4.1.22.1 http://schemas.microsoft.com/wbem/wsman/1/config/client
The http://schemas.microsoft.com/wbem/wsman/1/config/client resource URI MUST be used to configure the client settings.
Web Services Management Protocol Extensions for Windows Vista clients MUST NOT send the request if the selected protocol would result in sending the SOAP message unencrypted if the AllowUnencrypted property of the cfg:ClientType is false. SOAP messages can be encrypted over HTTP when using Kerberos or Negotiate. For more information, see section 2.2.9.1.
Web Services Management Protocol Extensions for Windows Vista clients MUST NOT send the request if the selected protocol cannot authenticate the server and the server name is not allowed by the TrustedHosts property of the cfg:ClientType.