DioError [DioErrorType.other]: SocketException: Connection refused (OS Error: Connection refused, errno = 61), address = crmdemo.fortex.com, port = 49266

[LambGe]

Request Statement

Dio version: 4.0.6
iOS Simulator

This address(crmdemo.fortex.com) requires a VPN (already set up).
Request to report the following error:

DioError [DioErrorType.other]: SocketException: Connection refused (OS Error: Connection refused, errno = 61), address = crmdemo.fortex.com, port = 49266

Source stack:
#0 DioMixin.fetch (package:dio/src/dio_mixin.dart:488:35)
#1 DioMixin.request (package:dio/src/dio_mixin.dart:483:12)
#2 HttpUtils._request (package:littlebee/common/network/http_utils.dart:239:44)
#3 HttpUtils.requestNetwork (package:littlebee/common/network/http_utils.dart:290:12)
#4 BaseP
flutter: agePresenter.requestNetwork (package:littlebee/business/common/base/base_page_presenter.dart:83:31)
#5 SignInPresenter._loginToCrm (package:littlebee/business/sign/presenter/sign_in_presenter.dart:67:12)
#6 SignInPresenter.login (package:littlebee/business/sign/presenter/sign_in_presenter.dart:54:7)
#7 _SignInPageState._login (package:littlebee/business/sign/sign_in_page.dart:313:15)
#8 _SignInPageState.toBeContinued (package:littlebee/business/sign/sign_in_page.dart:104:5)
#9 _InkR
flutter: esponseState.handleTap (package:flutter/src/material/ink_well.dart:1096:21)
#10 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:253:24)
#11 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:627:11)
#12 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:306:5)
#13 BaseTapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:239:7)
#14 PrimaryPointerGestureRecognizer.handleEvent (package:flut
flutter: ter/src/gestures/recognizer.dart:615:9)
#15 PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:98:12)
#16 PointerRouter._dispatchEventToRoutes. (package:flutter/src/gestures/pointer_router.dart:143:9)
#17 _LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:625:13)
#18 PointerRouter._dispatchEventToRoutes (package:flutter/src/gestures/pointer_router.dart:141:18)
#19 PointerRouter.route (package:flutter/src/gestures/pointer_router.
flutter: dart:127:7)
#20 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:460:19)
#21 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:440:22)
#22 RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:336:11)
#23 GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:395:7)
#24 GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:357:5)
#25 GestureBinding._flushPointerEven
flutter: tQueue (package:flutter/src/gestures/binding.dart:314:7)
#26 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:295:7)
#27 _invoke1 (dart:ui/hooks.dart:164:13)
#28 PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:361:7)
#29 _dispatchPointerDataPacket (dart:ui/hooks.dart:91:31)

[Pikaurd]

same issue here

I noticed this issue occurred by step

1. enable vpn
2. launch app using dio (work fine)
3. disable vpn
4. continue try app with dio (issue reproduced)