C# - WebException Could Not Establish Trust Relationship For The SSL/TLS Secure Channel
Dec 20, 2010
My company has developed a .NET web service and a client dll that uses that web service. The webservice is hosted on our server over ssl and the cert is provided and signed by GoDaddy. We have some clients in a hosted environment that are getting the following error message from the client dll when it tries to access our web service.
System.Net.WebException The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
Our fix has been to have them open IE on the server, which is a challenge in and of itself for a lot of the hosted services, and go to the WSDL url. IE then prompts them with a security alert dialog. It says the cert date is valid and a valid name matching the name of the page, but was issued by a company you have not chosen to trust. When they click Yes to proceed, the client dll can then succesfully connect to the web service and operate as normal. why GoDaddy would not have been in there valid publishers list? All of the servers we have running has GoDaddy as a valid authority. I'm guessing, for security reasons, they've uninstalled the authority for GoDaddy, but not totally convinced that there's not some other underlying issue.
Unfortunately, I haven't had much luck trying to recreate this locally. If I go into Internet Options and remove the GoDaddy authorities and hit our service, ssl works just fine. I go back into the list of publishers and GoDaddy gets put right back in. So my second question is, How the heck do you get rid of GoDaddy so I can get an invalid cert warning?
Okay, last question. Is there a way in code I can tell the web service to ignore invalid certs. I've seen some posts on doing this programatically with WCF but not old web services.
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[Code]....
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http://forums.asp.net/t/1161047.aspx
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[Code]....
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