Secure Your ASP.NET Core App with OAuth 2.0

Eric Brown

when setting up the 2nd app (.net core) i get the following error.

There isn’t that much to change to set it up, anyone know what i did wrong?

An unhandled exception occurred while processing the request.
SocketException: No such host is known
System.Net.Http.ConnectHelper.ConnectAsync(string host, int port, CancellationToken cancellationToken)

HttpRequestException: No such host is known
System.Net.Http.ConnectHelper.ConnectAsync(string host, int port, CancellationToken cancellationToken)

IOException: IDX20804: Unable to retrieve document from: ‘[PII is hidden]’.
Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.GetDocumentAsync(string address, CancellationToken cancel)

InvalidOperationException: IDX20803: Unable to obtain configuration from: ‘[PII is hidden]’.
Microsoft.IdentityModel.Protocols.ConfigurationManager<t>.GetConfigurationAsync(CancellationToken cancel)