CorsStudy/CorsServer/CorsServer.WebApi31/appsettings.json

{
  "urls": "http://*:5000",
  "CORS": {
    "PolicyName": "",
    "Origin": ["*"],
    "Method": [ "*" ],
    "Header": [ "*" ],
    "ExposedHeaders": []
  },
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*"
}