Using X509 Certificate with Web Service in ASP.Net – Update

In one of my previous posts, I described in detail for using X509 certificates with web services. Here are a couple more debugging tips that might also be helpful.

  1. RSA Key Length

One reason that the secure communication fails to establish is the mismatch in private/public key pairs. Ensuring the keys are of the same length should really be the first step before going much deeper into debugging.

  1. Proxy Server

You should be aware that if you are using a proxy server for your http traffic (you can check your browser settings to see if you are using a proxy server to connect to the network) and if you run into this exception

“The remote server returned an error: (502) Bad Gateway.”

Chances are that you are running through a proxy server and you should remove the proxy settings. And a simple fix would be to disable it (Internet Options -> Connections -> LAN Settings and uncheck Proxy Server). This will solve the problem.

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