从今天开始，在我自己的服务器上没有更改任何内容时，我在尝试通过Facebook Connect连接Facebook时遇到此错误。
我注意到这篇文章：The remote certificate is invalid according to the validation procedure 但是那里提供的解决方案并不起作用，而且我的代码始终有效。 在本地它仍然可以正常工作，但一旦我连接生产它失败。
更新
我现在发现我仍然可以在同一个VPS上的其他网站上使用Facebook Connect ...只有这个网站突然出现问题。它是共享代码，所以它绝对不是我代码中的东西。它可能是什么？
Server Error in '/' Application.
The remote certificate is invalid according to the validation procedure.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[AuthenticationException: The remote certificate is invalid according to the validation procedure.]
System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception) +2755228
System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest) +470
System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest) +86
System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest) +262
System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest) +470
System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest) +86
System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest) +262
System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest) +470
System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest) +86
System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest) +262
System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest) +470
System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest) +8551966
System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult) +230
System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) +645
System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) +9
System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) +87
System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result) +1467
System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size) +84
System.Net.ConnectStream.WriteHeaders(Boolean async) +816
[WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.]
System.Net.HttpWebRequest.GetResponse() +8420768
oAuthFacebook.WebResponseGet(HttpWebRequest webRequest) +441
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34212