A Tricky “Could not create SSL/TLS secure channel”

  My customer is attempting to setup a WCF service behind a SSL balancer. The WCF Service will not have a SSL certificate installed so it will be insecure transport between load balancer and the WCF service. The SSL device requires SSL connection and a client certificate. Customer wrote a simple client application which could…

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SSL HandShake ClientHello receives Encrypted Alert

My customer recently ran into a problem worth recounting. He had several machines which had a WCF application which made a secure SSL connection to a remote Web Service. However, a new set of machines built could not connect to the same endpoint using SSL. The new machines received the error: Could not create SSL/TLS…

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Implement a UserNamePasswordValidator for WCF Service hosted in IIS

Recently I was working with a customer to implement a custom UserNamePasswordValidator for his WCF application. You can download a sample on this topic and others from Windows Communication Foundation (WCF) and Windows Workflow Foundation (WF) Samples for.NET Framework 4. Although the WCF sample works perfectly you may run into problems transferring the solution to a…

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