C# Web Service Certificate Error
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C# Web Service Client Certificate
Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community web service certificate authentication c# of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up C# Ignore certificate errors? up vote 82 down vote favorite 29 I am getting the following
C# Call Web Service With Certificate
error during a web service request to a remote web service: Could not establish trust relationship for the SSL/TLS secure channel. ---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure. Is there anyway to ignore this error, and continue? It seems the remote certificate is not signed. The site I connect to is www.czebox.cz - so feel free to visit the site, and notice even browsers through security c# web service error handling exceptions. c# .net ssl share|improve this question edited Apr 11 at 18:37 Peter Lillevold 26k570113 asked Apr 20 '10 at 12:42 JL. 23.5k88246391 add a comment| 6 Answers 6 active oldest votes up vote 179 down vote accepted Add a certificate validation handler. Returning true will allow ignoring the validation error: ServicePointManager .ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true; share|improve this answer answered Apr 20 '10 at 12:48 Peter Lillevold 26k570113 5 This is even more useful than it may at first appear. I ran into the OP's problem while using Managed Exchanged Web Services (EWS). I thought that I could not use this answer since I didn't have access to the low-level SOAP calls that were being made by that managed library. But when I took another look at it, I realized ServicePointManager stands on its own. So,I added the above callback before initializing the ExchangeService and it worked like a charm. –Mark Meuer Apr 19 '12 at 21:50 1 This works perfectly for me... But have no idea why... –Pogrindis Jul 10 '15 at 11:27 @Pogrindis - what kind of problem/scenario did you have? –Peter Lillevold Jul 14 '15 at 22:36 1 a big thank you this solves the problem temporarily. Add this
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C# Ignore Ssl Certificate Errors
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C# Httpclient Ignore Ssl Certificate Errors
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can track if any of this is useful to you! Thanks! Troubleshooting ASP.NET - The remote certificate is invalid according to the validation procedure ★★★★★★★★★★★★★★★ Jeff SandersSeptember 16, 200940 0 0 0 This https://blogs.msdn.microsoft.com/jpsanders/2009/09/16/troubleshooting-asp-net-the-remote-certificate-is-invalid-according-to-the-validation-procedure/ error message is caused because the process is not being able to validate the Server Certificate supplied by the Server during an HTTPS (SSL) request. The very first troubleshooting step should be to see if the server supplied http://www.asp.net/web-api/overview/security/working-with-ssl-in-web-api certificate and every certificate in the chain is trouble free. Example 1 – Root Certificate only (self signed certificate in this case) Step 1 – Validate the certificate, any intermediate certificates and the root certificate One super handy web service and technical tool to help you do this first step is Internet Explorer. Simply try to hit the same URL that your ASP.NET web application tries to hit when it gets this error. For example, type in to the browser the path to the .asmx file and see what Internet Explorer says about the certificate. This would be a bad sign: If Internet Explorer has certificate problems, chances are you will have problems with the HttpWebRequest c# web service (or Web Service) call as well. The easiest fix is to install a valid certificate for the server, the root authority and all intermediate authorities. Then go back and verify Internet Explorer can access the https site with no errors at all. If you continue to the site using Internet Explorer, sometimes you can diagnose the certificate problem by viewing the certificate. In this example the problem is spelled out for me when I typed in https://jsanders4. So in my case, it appears that the I simply need to install the certificate in the ‘Trusted Root Certification Authorities’ store. So indeed I do this! But I still got the certificate error… To avoid a long discussion about this, the problem is simple. I typed in https://jsanders4 but note the certificate is for the full domain name of this machine. If I instead browse to https://jsanders4.northamerica.corp.microsoft.com then I get no certificate error. Now that I am sure I can browse ok to the site with no certificate errors using Internet Explorer. You would continue to solve problems with the other Certificates in the Certificate chain by using Internet Explorer until they are all resolved. For example, perhaps the certificate is expired, or the Intermediate Authority is not in the Intermediate Certificate Authorities store (a very common one). Once you have resolved all errors with In
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