Troubleshooting TLS / SSL communication problems for ASP.NET applications making HTTP Web Request or WCF queries to SSL endpoints – Scenario 3

In our first and second posts about troubleshooting the TLS / SSL problems, we worked to fix a “The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel” error message. We made some basic tests, such as a “browser test” and found that the certificate used was not valid and then…

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Troubleshooting TLS / SSL communication problems for ASP.NET applications making HTTP Web Request or WCF queries to SSL endpoints – Introduction

This is the introduction post of a series of articles about troubleshooting TLS / SSL communications problem when you make Http Web Request or WCF queries from your ASP.NET applications to SSL endpoints. Consider the following set up: You are running an ASP.NET application which makes an HTTPS request to an endpoint and the response…