ajax请求在调用wcf服务时拒绝访问

我创建了一个amazon EC2实例，并在端口80上托管了我的.net Web应用程序，并在端口1212端口上托管了WCF服务。ajax请求在调用wcf服务时拒绝访问

本地在远程会话中，我能够浏览应用程序和服务，并能够进行ajax请求调用。

只有当我尝试通过互联网（不在相同的远程会话）上做相同的功能，这使得在端口1212上的ajax调用wcf服务时``会导致拒绝访问错误。我添加了$ .support.cors = true;同时提出要求。

Web应用程序web.config：

<configuration> 
    <system.web> 
     <connectionStrings> 
      <add name="ApplicationServices" 
       connectionString="Server=somedbinstance.asdkfjlksd.us-west-2.rds.amazonaws.com;Initial Catalog=xed; user id=user ;password=pwd" 
       providerName="System.Data.SqlClient" /> 
     </connectionStrings> 
    </system.web> 
    <system.serviceModel> 
     <behaviors> 
      <endpointBehaviors> 
       <behavior name="webEndpoint"> 
        <webHttp defaultBodyStyle="Wrapped" 
          defaultOutgoingResponseFormat="Xml" helpEnabled="true" /> 
       </behavior> 
      </endpointBehaviors> 
     </behaviors> 
     <bindings> 
      <webHttpBinding> 
       <binding name="webHttpBinding" /> 
      </webHttpBinding> 
     </bindings> 
     <client> 
      <endpoint name="BasicHttpBinding_ICustomerRequestService" 
       address="http://10.90.12.121:1212/myservice.svc" 
       binding="webHttpBinding" bindingConfiguration="webHttpBinding" 
       behaviorConfiguration="webEndpoint" 
       contract="CustomerRequestService.ICustomerRequestService" /> 
     </client> 
     <serviceHostingEnvironment 
      aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" /> 
    </system.serviceModel> 
    <system.webServer> 
     <defaultDocument> 
      <files> 
      <add value="index.aspx" /> 
      </files> 
     </defaultDocument> 
    </system.webServer> 
</configuration>

WCF服务web.config：

<system.serviceModel> 
    <services> 
     <service name="iHandyService.CustomerRequestService"> 
      <endpoint 
       address="" 
       behaviorConfiguration="restfulBehavior" 
       binding="webHttpBinding" bindingConfiguration="" 
       contract="Interfac.ICustomerRequestService" /> 
       <host> 
        <baseAddresses> 
         <add baseAddress="http://10.90.12.121:1212/myservice.svc" /> 
        </baseAddresses> 
       </host> 
     </service> 
    </services> 
    <behaviors> 
     <endpointBehaviors> 
      <behavior name="restfulBehavior"> 
       <webHttp /> 
      </behavior> 
     </endpointBehaviors> 
     <serviceBehaviors> 
      <behavior name=""> 
       <serviceMetadata httpGetEnabled="true" /> 
       <serviceDebug includeExceptionDetailInFaults="false" /> 
      </behavior> 
     </serviceBehaviors> 
    </behaviors> 
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true"> 
    </serviceHostingEnvironment> 
</system.serviceModel> 
<system.webServer> 
    <httpProtocol> 
     <customHeaders> 
      <add name="Access-Control-Allow-Origin" value="*" /> 
      <add name="Access-Control-Allow-Headers" value="Content-Type" /> 
     </customHeaders> 
    </httpProtocol> 
    <modules runAllManagedModulesForAllRequests="true" /> 
</system.webServer>

Ajax调用：

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