Routing requests to WCF from Azure Function App

    June 2019 Update : QuotaGuard is now available natively on Azure at the following link : QuotaGuard Static on Azure or QuotaGuard Shield on Azure.

    You can also use the below directions with our direct service at : https://www.quotaguard.com.

    We have had a few customers ask for help with a WCF/Azure configuration, so we will share some working code below that customers have found helpful :

    binding.Security.Mode = BasicHttpSecurityMode.Transport;
    binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Certificate;
    
    //Wrap binding custom binding to route request through proxy with credential authentication
    var customBinding = new CustomBinding(binding);
    var httpElement = customBinding.Elements.Find<HttpTransportBindingElement>();
    httpElement.ProxyAddress = new Uri(Environment.GetEnvironmentVariable(ProxyURL));
    httpElement.ProxyAuthenticationScheme = AuthenticationSchemes.Basic;
    httpElement.UseDefaultWebProxy = false;
    
    using (var webClient = new TransparencyPlatformClient(customBinding, FinalEndpoint)
    {
      webClient.ClientCredentials.ClientCertificate.Certificate = Certificate;
      webClient.ClientCredentials.ServiceCertificate.Authentication.CertificateValidationMode =
        X509CertificateValidationMode.PeerOrChainTrust;
      var xmlString = XmlString(xml);
    
      webClient.ClientCredentials.UserName.UserName = ProxyUserName;
      webClient.ClientCredentials.UserName.Password = ProxyPassword;
    
      webClient.sendMessage(YourMessage);;
    }
    

    Why is a CustomBinding used?

    The pitfall is that the proxy settings on BasicHttpBinding don’t seem to be properly implemented as there is no way to get it to use the proper credentials.

    Questions? Reach out on Support so we can help.


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