WCF service fronted with SSL enabled NGINX load balancer shows HTTP based WSDL url instead of HTTPS

Question

Hi,
I have WCF service hosted using IIS 8.5 on application server. And application servers are fronted with NGINX load balancer with SSL enabled. Backend communication protocol between NGINX to application server is http. 
When customer visits public domain url (https://xxx.com/service.svc), they can see the WSDL url with http://xxx.com/service.svc?wsdl. 
What change should I make so that WSDL url will have https instead of http ? 
This is service side configuration.
<system.serviceModel>
    <services>
      <service name="Service.IService">
        <endpoint address="" binding="basicHttpBinding" bindingNamespace="http://xyz.com/Service" name="Service_Endpoint" contract="Service.IService" />
      </service>
    </services>
    <bindings>
      <basicHttpBinding />
    </bindings>
    <client />
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <serviceThrottling maxConcurrentCalls="5000" maxConcurrentInstances="2147483647" maxConcurrentSessions="5000" />
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
  </system.serviceModel>
Thanks in advance !!

Answer 1

Hi,
For this scenario, you could just enable SSL in IIS to get HTTPS endpoints. If your service is exposed at https then you configure the same using “httpsGetEnabled”:
<behaviors>
<serviceBehaviors>
<behavior
name="MyServiceTypeBehaviors"
>
<serviceMetadata
httpGetEnabled="true"
/>
     </behavior>
</serviceBehaviors>
</behaviors>
For more information, you could refer to:
http://www.codeproject.com/Articles/327260/What-s-new-in-WCF-Automatic-HTTPS-endpoint-for
http://blogs.msdn.com/b/brajens/archive/2007/04/26/accessing-description-metadata-wsdl-of-wcf-web-service.aspx
Regards