TLS异常。未知的安全传输错误'关闭优雅'

即使我的ServicePointManager.ServerCertificateValidationCallback返回true，我仍然收到此错误Unknown Secure Transport error 'ClosedGraceful'。TLS异常。未知的安全传输错误'关闭优雅'

完整的堆栈跟踪是...

 at Security.Tls.AppleTlsContext.CheckStatusAndThrow (SslStatus status, Security.SslStatus[] acceptable) [0x000b1] in /Users/builder/data/lanes/3339/39ebb778/source/maccore/src/Security/Tls/AppleTlsContext.cs:170 
    at Security.Tls.AppleTlsContext.Write (System.Byte[] buffer, Int32 offset, Int32 count, System.Boolean& wantMore) [0x0003f] in /Users/builder/data/lanes/3339/39ebb778/source/maccore/src/Security/Tls/AppleTlsContext.cs:883 
    at Security.Tls.MobileAuthenticatedStream.ProcessWrite (Security.Tls.AsyncProtocolRequest asyncRequest, AsyncOperationStatus status) [0x0002f] in /Users/builder/data/lanes/3339/39ebb778/source/maccore/src/Security/Tls/MobileAuthenticatedStream.cs:637 
    at Security.Tls.AsyncProtocolRequest.ProcessOperation (AsyncOperationStatus status) [0x00086] in /Users/builder/data/lanes/3339/39ebb778/source/maccore/src/Security/Tls/AsyncProtocolRequest.cs:199 
    at Security.Tls.AsyncProtocolRequest.ProcessOperation() [0x0000d] in /Users/builder/data/lanes/3339/39ebb778/source/maccore/src/Security/Tls/AsyncProtocolRequest.cs:159 
    at Security.Tls.AsyncProtocolRequest.StartOperation() [0x00000] in /Users/builder/data/lanes/3339/39ebb778/source/maccore/src/Security/Tls/AsyncProtocolRequest.cs:140

我甚至尝试添加

<key>NSAppTransportSecurity</key> 
<dict> 
    <key>NSAllowsArbitraryLoads</key> 
    <true/> 
</dict>

要info.plist但仍没有运气

编辑：目前使用RestSharp

来源

2016-07-22 John

这似乎是一个错误，我也遇到过它。尝试使用'ModernHttpClient' NuGet包作为解决方法 –

我目前使用RestSharp，但我会考虑ModernHttpClient – John

使用ModernHttpClient我仍然收到错误，'NSURLSession/NSURLConnection HTTP加载失败（kCFStreamErrorDomainSSL，-9813） ' – John

将Apple Build> Advanced> SSL/TLS实施从Apple更改为Mo没有。

来源

2016-07-22 15:30:54

接受的答案是正确的，但由于目前Visual Studio是没有这个选项，我们需要iOSBuild下进入型mTouch argments - >代码生成&运行 - >附加型mTouch参数

来源

2017-07-24 10:46:43 GvSharma

TLS异常。未知的安全传输错误'关闭优雅'

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