2.1 Transport


Protocol servers MUST support SOAP over HTTP. Protocol servers MAY additionally support SOAP over HTTPS for securing communication with clients.

Protocol messages MUST be formatted as specified either in [SOAP1.1] section 4 or in [SOAP1.2/1] section 5. Protocol server faults MUST be returned either by using HTTP Status Codes as specified in [RFC2616] section 10, or by using SOAP faults as specified either in [SOAP1.1], section 4.4 or in [SOAP1.2/1] section 5.4. The version of the SOAP fault returned MUST correspond to the version of SOAP used for the request WSDL message.