The client applications are unable to use SSL. You need to ensure that clients authenticate by using a token provided by a Security Token Service (STS). What should you do?
Use a BasicHttpBinding binding with the security mode set to Message
Use a BasicHttpBinding binding with the security mode set to TransportWithMessageCredential
Use a WSFederationHttpBinding binding with the security mode set to Message
Use a WSFederationHttpBinding binding with the security mode set to TransportWithMessageCredential