Sdk: `$ dotnet run` won't serve https with .Net Core 3.0 on OS X

[kmjungersen]

Symptoms:

I have a .Net Core 3.0 app that I'm unable to load in a browser ONLY when running it using the Mac OS X CLI, like so:

$ dotnet new webapp
$ dotnet run
watch : Started
info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[0]
      User profile is available. Using '/Users/<user>/.aspnet/DataProtection-Keys' as key repository; keys will not be encrypted at rest.
info: Microsoft.Hosting.Lifetime[0]
      Now listening on: https://localhost:5001
info: Microsoft.Hosting.Lifetime[0]
      Now listening on: http://localhost:5000
info: Microsoft.Hosting.Lifetime[0]
      Application started. Press Ctrl+C to shut down.
info: Microsoft.Hosting.Lifetime[0]
      Hosting environment: Development
info: Microsoft.Hosting.Lifetime[0]
      Content root path: /Users/<user>/Sandbox/coreapp3test

So everything looks good at this point, except when opening the URL in a browser I receive:

This site cannot be reached

localhost unexpectedly closed the connection.

Core Issue:

This has something to do with HTTPS protocol. Navigating to http://localhost:5000 does render an https redirect. So the server is actually listening...

info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
      Request starting HTTP/1.1 GET http://localhost:5000/
info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
      Request finished in 9.6705ms 307

Furthermore, removing the app.UseHttpsRedirection(); from the Configure method of startup.cs and then navigating to http://localhost:5000 renders the page correctly, while https://localhost:5001 still fails

Notes:

• I can run the app in VS Code, so the runtime must be installed correctly
• .NET Core 2.2 apps work fine with the CLI - I can run them from the CLI without issue. So it appears isolated to 3.0
• The Windows CLI appears to work without issue
• I've also tried the following, without success:
  
  
  
  • Removing bin/ and obj/ and restoring / building again
  
  
  • Re-installing the SDK - same result
  
  
  • Disabling firewall (in case that was blocking the connection)
  
  
  • Generating multiple web project types (e.g. angular, mvc, etc.) to see if it was related to the template
  
  

System Info:

$ dotnet --info

.NET Core SDK (reflecting any global.json):
 Version:   3.0.100
 Commit:    04339c3a26

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  10.14
 OS Platform: Darwin
 RID:         osx.10.14-x64
 Base Path:   /usr/local/share/dotnet/sdk/3.0.100/

Host (useful for support):
  Version: 3.0.0
  Commit:  7d57652f33

.NET Core SDKs installed:
  3.0.100 [/usr/local/share/dotnet/sdk]

.NET Core runtimes installed:
  Microsoft.AspNetCore.App 3.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 3.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:
  https://aka.ms/dotnet-download

[livarcocc]

This issue should be resolved now.

[assafsl]

I'm having a similar issue, using version 3.0.100 -
Everything works fine when I run in debug (VS Code F5), but when using dotnet run, I'm getting ERR_CONNECTION_CLOSED. Log:

Microsoft.AspNetCore.Server.Kestrel.Https.Internal.HttpsConnectionMiddleware[1]
      Failed to authenticate HTTPS connection.
System.Security.Authentication.AuthenticationException: Authentication failed, see inner exception.
 ---> Interop+AppleCrypto+SslException: Internal error
   --- End of inner exception stack trace ---
   at System.Net.Security.SslStream
   .StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, ExceptionDispatchInfo exception)
   at System.Net.Security
   .SslStream.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslStream.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslStream.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslStream.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslStream.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslStream.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslStream.ProcessAuthentication(LazyAsyncResult lazyResult, CancellationToken cancellationToken)
   at System.Net.Security.SslStream.BeginAuthenticateAsServer(SslServerAuthenticationOptions sslServerAuthenticationOptions, CancellationToken cancellationToken, AsyncCallback asyncCallback, Object asyncState)
   at System.Net.Security.SslStream.<>c.<AuthenticateAsServerAsync>b__69_0(SslServerAuthenticationOptions arg1, CancellationToken arg2, AsyncCallback callback, Object state)
   at System.Threading.Tasks.TaskFactory`1.FromAsyncImpl[TArg1,TArg2](Func`5 beginMethod, Func`2 endFunction, Action`1 endAction, TArg1 arg1, TArg2 arg2, Object state, TaskCreationOptions creationOptions)
   at System.Threading.Tasks.TaskFactory.FromAsync[TArg1,TArg2](Func`5 beginMethod, Action`1 endMethod, TArg1 arg1, TArg2 arg2, Object state, TaskCreationOptions creationOptions)
   at System.Threading.Tasks.TaskFactory.FromAsync[TArg1,TArg2](Func`5 beginMethod, Action`1 endMethod, TArg1 arg1, TArg2 arg2, Object state)
   at System.Net.Security.SslStream.AuthenticateAsServerAsync(SslServerAuthenticationOptions sslServerAuthenticationOptions, CancellationToken cancellationToken)
   at Microsoft.AspNetCore.Server.Kestrel.Https.Internal.HttpsConnectionMiddleware.InnerOnConnectionAsync(ConnectionContext context)

[vrooyenm-mac]

Hi, I am having the same issue. Work perfect when debugging in VS for Mac, but in terminal with dotnet run I get the ssl error

.NET Core SDK (reflecting any global.json):
Version: 3.0.101
Commit: bc5f8df0f5

Runtime Environment:
OS Name: Mac OS X
OS Version: 10.15
OS Platform: Darwin
RID: osx.10.15-x64
Base Path: /usr/local/share/dotnet/sdk/3.0.101/

Host (useful for support):
Version: 3.0.1
Commit: 32085cbc72

.NET Core SDKs installed:
2.1.202 [/usr/local/share/dotnet/sdk]
2.1.505 [/usr/local/share/dotnet/sdk]
2.1.701 [/usr/local/share/dotnet/sdk]
2.2.106 [/usr/local/share/dotnet/sdk]
2.2.107 [/usr/local/share/dotnet/sdk]
2.2.300 [/usr/local/share/dotnet/sdk]
3.0.100 [/usr/local/share/dotnet/sdk]
3.0.101 [/usr/local/share/dotnet/sdk]

.NET Core runtimes installed:
Microsoft.AspNetCore.All 2.1.9 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.12 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.2.4 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.2.5 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.9 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.12 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.2.4 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.2.5 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.0.1 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 2.0.9 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 2.1.9 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 2.1.12 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 2.1.13 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 2.2.4 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 2.2.5 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 3.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 3.0.1 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:
https://aka.ms/dotnet-download

[mrfoster]

Not working for me either with netcoreapp3.1. Does this issue need to be reopened or should I create a new one?

[vrooyenm-mac]

Hi,

This is working now in 3.1 build.

Regards

Sent from my iPhone

On 16 Jan 2020, at 15:52, mrfoster [e-mail] wrote:


Not working for me either with netcoreapp3.1. Does this issue need to be reopened or should I create a new one?

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[pumbpeng]

not work for me with 3.1 and osx 13.5.3

[kmjungersen]

Mine is working with v.3.1.100 now on OS X Catalina (10.15.2). Sorry this was resolved a while back when I updated to 3.1.x, per your comments @livarcocc but I forgot to reply. So, thank you for that, and to @vrooyenm-mac as well.