title: Security mechanism in WSDL
body: <p>I want to know how WSDL secure data on trafic. I searched but I can't find anything I need. This is a WSDL service sample and I want to understand their security mechanism.</p>
  
  <pre><code>&lt;wsdl:definitions 
      xmlns:apachesoap="http://xml.apache.org/xml-soap"   
      xmlns:impl="http://services.test" xmlns:intf="http://services.test" 
      xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" 
      xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" 
      xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/" 
      xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
      targetNamespace="http://services.test"&gt;
      &lt;!--
         WSDL created by Apache Axis version: 1.4
         Built on Apr 22, 2006 (06:55:48 PDT)
       --&gt;
      ....
      &lt;wsdl:types&gt;....
      &lt;wsdl:message....
      &lt;wsdl:portType&gt;
          &lt;wsdl:operation ....
      &lt;wsdl:binding name="InterfacesSoapBinding" type="impl:Interfaces"&gt;
          &lt;wsdlsoap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/&gt;
          &lt;wsdl:operation name="topup"&gt;
              &lt;wsdlsoap:operation soapAction=""/&gt;
              &lt;wsdl:input name="topupRequest"&gt;
                  &lt;wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://services.test" use="encoded"/&gt;
              &lt;/wsdl:input&gt;
              &lt;wsdl:output name="topupResponse"&gt;
                  &lt;wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://services.test" use="encoded"/&gt;
              &lt;/wsdl:output&gt;
           &lt;/wsdl:operation&gt;
       &lt;/wsdl:binding&gt;
       ....
       &lt;wsdl:service name="InterfacesService"&gt;
           &lt;wsdl:port binding="impl:InterfacesSoapBinding" name="Interfaces"&gt;
               &lt;wsdlsoap:address location="...."/&gt;
           &lt;/wsdl:port&gt;
       &lt;/wsdl:service&gt;
  &lt;/wsdl:definitions&gt;
  </code></pre>
  
  <p>This </p>
  
  <pre><code>&lt;wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://services.test" use="encoded"/&gt;
  </code></pre>
  
  <p>is encode data trafic right ?</p>