Asp.net 调用wcf服务时拒绝提供访问权限的ajax请求

我已经创建了一个AmazonEC2实例，并在端口80上托管了我的.NETWeb应用程序，在端口1212上托管了WCF服务

在远程会话的本地，我能够浏览应用程序和服务，并能够进行ajax请求调用

只有当我尝试在internet上（而不是在同一远程会话上）执行相同的功能时，在端口1212``上对wcf服务进行ajax调用时，才会出现拒绝访问错误。我添加了$.support.cors=true；在提出请求时

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>

<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：

错误函数给出拒绝访问错误

---

请指导我如何解决此错误。

您需要将此端口添加到AWS控制台->EC2-->安全组-->入站规则-->端口。这个链接会很有帮助。您需要选择与实例对应的安全组，这在实例链接中也是可见的

,

另外，请确保已将此端口添加到windows防火墙入站规则中。-

注意：您可能需要将WCF服务配置为CORS就绪，请点击此链接-，我已经回答了如何使其启用CORS