Basic service endpoints declaration for services using wsDualHttpBinding

gistfile1.xml

<services>
      <service name="<YOUR_SERVICE_NAMESPACE.<YOUR_SERVICE_NAME">
        <!--
          Dual http binding
        -->
        <endpoint address=""
          binding="wsDualHttpBinding" bindingConfiguration="WSDualHttpBinding_<YOUR_SERVICE_INTERFACE>"
          contract="<YOUR_SERVICE_NAMESPACE.<YOUR_SERVICE_INTERFACE>">
          <identity>
            <dns value="localhost" />
          </identity>
        </endpoint>
        <!--
          Dual http binding helper
        -->
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
      </service>
    </services>