An attempt was made to access a socket in a way forbidden by its access permissions

[davidsekar]

My application hosted on Azure is throwing following error frequently. After this error, the application prerendendering fails for that app instance.

` System.Net.Http.HttpRequestException: An attempt was made to access a socket in a way forbidden by its access permissions

Stack trace System.Net.Http.HttpRequestException: An attempt was made to access a socket in a way forbidden by its access permissions ---> System.Net.Sockets.SocketException: An attempt was made to access a socket in a way forbidden by its access permissions at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.CreateConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.WaitForCreatedConnectionAsync(ValueTask1 creationTask) at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts) at Microsoft.AspNetCore.NodeServices.HostingModels.HttpNodeInstance.InvokeExportAsync[T](NodeInvocationInfo invocationInfo, CancellationToken cancellationToken) at Microsoft.AspNetCore.NodeServices.HostingModels.OutOfProcessNodeInstance.InvokeExportAsync[T](CancellationToken cancellationToken, String moduleName, String exportNameOrNull, Object[] args) at Microsoft.AspNetCore.NodeServices.NodeServicesImpl.InvokeExportWithPossibleRetryAsync[T](String moduleName, String exportedFunctionName, Object[] args, Boolean allowRetry, CancellationToken cancellationToken) at FE.Toolkit.ClientUI.ResponsiveTools.Server.Controllers.HomeController.Index(BasicRequestModel requestModel) in D:\a\3\s\FE.Toolkit.ClientUI.ResponsiveTools\Server\Controllers\HomeController.cs:line 153 at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.TaskOfIActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync() at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext) at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context) at Microsoft.AspNetCore.ResponseCaching.ResponseCachingMiddleware.Invoke(HttpContext httpContext) at Microsoft.AspNetCore.Server.IISIntegration.IISMiddleware.Invoke(HttpContext httpContext) at NewRelic.Providers.Wrapper.AspNetCore.WrapPipelineMiddleware.Invoke(HttpContext context) `

[davidsekar]

During pre-rendering the app make a single web api request to a different origin... Others are all script work.

[vikramarigelaRepo]

I am facing similar issue while calling REST API from Azure function. It works fine while running locally but when deployed to azure its thorwing this error