
When configuring Twitter as an identity provider for a portal, and trying to login via it, it immediately throws an error. These are the logs:
[... snipped ...]
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.StageAsyncResult.End(IAsyncResult ar)
at System.Web.HttpApplication.AsyncEventExecutionStep.InvokeEndHandler(IAsyncResult ar)
at System.Web.HttpApplication.AsyncEventExecutionStep.OnAsyncEventCompletion(IAsyncResult ar)
mscorlib
The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
System.Net.WebException
at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
at System.Net.Http.HttpClientHandler.GetResponseCallback(IAsyncResult ar)
System
The remote certificate is invalid according to the validation procedure.
System.Security.Authentication.AuthenticationException
at System.Net.TlsStream.EndWrite(IAsyncResult asyncResult)
at System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar)
System
, EventData:ASP.global_asax, Category:Application, ErrorCategory:ApplicationError",80000022-0000-f000-b63f-84710c7967bb
Any thoughts on what is going on? If this is genuinely an HTTPS problem, is there any action *I* can take to fix it?