Re: Access to the FTP server via an SSH tunnel is not working
As I have written above, dynamic port forwarding works as a SOCKS proxy. So you need to configure it as a SOCKS proxy in WinSCP.
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
ssh-server=192.168.0.1
ftp-server=192.168.0.2
Using scPulkovo As New SshClient(ciPulkovo)
Try
scPulkovo.Connect()
If scPulkovo.IsConnected Then
If ПроверкаНаличияСервераTelnet("192.168.0.2", 21) Then
Dim portDynamic As New ForwardedPortDynamic(5534)
scPulkovo.AddForwardedPort(portDynamic)
portDynamic.Start()
If portDynamic.IsStarted Then
Dim ProcessWinSCP As New Process
ProcessWinSCP.StartInfo.FileName = "WinSCP.exe"
ProcessWinSCP.StartInfo.Arguments = "/ini=nul /log=ftp.log ftp://data:030562@localhost:21/"
ProcessWinSCP.Start()
ProcessWinSCP.WaitForExit()
ProcessWinSCP.Close()
portDynamic .Stop()
Else
MessageBox.Show("Ошибка при создании туннеля!",
"WinSCP",
MessageBoxButtons.OK,
MessageBoxIcon.Error)
End If
scPulkovo.RemoveForwardedPort(portDynamic)
End If
End If
Catch ex1 As Exception
MessageBox.Show("Ошибка при создании туннеля!" & vbCrLf & ex1.Message,
"WinSCP",
MessageBoxButtons.OK,
MessageBoxIcon.Error)
End Try
End Using
. 2025-08-25 16:34:22.436 --------------------------------------------------------------------------
. 2025-08-25 16:34:22.438 WinSCP Версия 6.5.3 (Сборка 16364 2025-07-16) (OS 10.0.26100 – Windows 11 Pro)
. 2025-08-25 16:34:22.438 Configuration: nul
. 2025-08-25 16:34:22.440 Log level: Normal
. 2025-08-25 16:34:22.440 Local account: ALEXHOME\User
. 2025-08-25 16:34:22.440 Working directory: F:\Документы\Visual Studio Projects\Цветы\Инструменты\УдаленныйДоступ\УдаленныйДоступ\bin\Debug
. 2025-08-25 16:34:22.440 Process ID: 26548
. 2025-08-25 16:34:22.457 Ancestor processes: RemoteDesktop, msvsmon, devenv, ...
. 2025-08-25 16:34:22.457 Command-line: "F:\Документы\Visual Studio Projects\Цветы\Инструменты\УдаленныйДоступ\УдаленныйДоступ\bin\Debug\WinSCP.exe" /ini=nul /log=ftp.log ftp://data:***@localhost:21/ -rawsettings ProxyMethod=2 ProxyPort=5534
. 2025-08-25 16:34:22.457 Time zone: Current: GMT+3 (RTZ 2 (зима)), No DST
. 2025-08-25 16:34:22.459 Login time: 25 Август 2025 г. 16:34:22
. 2025-08-25 16:34:22.459 --------------------------------------------------------------------------
. 2025-08-25 16:34:22.459 Session name: data@localhost (Ad-Hoc site)
. 2025-08-25 16:34:22.459 Host name: localhost (Port: 21)
. 2025-08-25 16:34:22.459 User name: data (Password: Yes, Key file: No, Passphrase: No)
. 2025-08-25 16:34:22.459 Transfer Protocol: FTP
. 2025-08-25 16:34:22.459 Ping type: Dummy, Ping interval: 30 sec; Timeout: 15 sec
. 2025-08-25 16:34:22.459 Disable Nagle: No
. 2025-08-25 16:34:22.459 Proxy: SOCKS5
. 2025-08-25 16:34:22.459 HostName: proxy (Port: 5534); Username: ; Passwd: No
. 2025-08-25 16:34:22.459 Send buffer: 262144
. 2025-08-25 16:34:22.459 UTF: Auto
. 2025-08-25 16:34:22.459 FTPS: None [Client certificate: No]
. 2025-08-25 16:34:22.459 FTP: Passive: Yes [Force IP: Auto]; MLSD: Auto [List all: Auto]; HOST: Auto
. 2025-08-25 16:34:22.459 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2025-08-25 16:34:22.459 Cache directory changes: Yes, Permanent: Yes
. 2025-08-25 16:34:22.459 Recycle bin: Delete to: No, Overwritten to: No, Bin path:
. 2025-08-25 16:34:22.459 Timezone offset: 0h 0m
. 2025-08-25 16:34:22.459 --------------------------------------------------------------------------
. 2025-08-25 16:34:22.889 Соединяюсь с localhost…
. 2025-08-25 16:34:25.197 Не получается соединиться.
* 2025-08-25 16:34:25.237 (EFatal) Не получается соединиться.
* 2025-08-25 16:34:25.237 Не получается соединиться.
Using scPulkovo As New SshClient(ciPulkovo)
Try
scPulkovo.Connect()
If scPulkovo.IsConnected Then
If ПроверкаНаличияСервераTelnet("192.168.0.2", 21) Then
Dim pflFTP As New ForwardedPortLocal("127.0.0.1", 21, "192.168.0.2", 21)
scPulkovo.AddForwardedPort(pflFTP)
pflFTP.Start()
If pflFTP.IsStarted Then
Dim ProcessWinSCP As New Process
ProcessWinSCP.StartInfo.FileName = "WinSCP.exe"
ProcessWinSCP.StartInfo.Arguments = "/ini=nul /log=ftp.log ftp://data:030562@localhost:21/"
ProcessWinSCP.Start()
ProcessWinSCP.WaitForExit()
ProcessWinSCP.Close()
pflFTP.Stop()
Else
MessageBox.Show("Ошибка при создании туннеля!",
"WinSCP",
MessageBoxButtons.OK,
MessageBoxIcon.Error)
End If
scPulkovo.RemoveForwardedPort(pflFTP)
End If
End If
Catch ex1 As Exception
MessageBox.Show("Ошибка при создании туннеля!" & vbCrLf & ex1.Message,
"WinSCP",
MessageBoxButtons.OK,
MessageBoxIcon.Error)
End Try
End Using
425 Unable to build data connection: EINVAL - Invalid argument passed
. 2025-08-21 14:57:47.916 --------------------------------------------------------------------------
. 2025-08-21 14:57:47.919 WinSCP Версия 6.5.3 (Сборка 16364 2025-07-16) (OS 10.0.26100 – Windows 11 Pro)
. 2025-08-21 14:57:47.919 Configuration: nul
. 2025-08-21 14:57:47.919 Log level: Normal
. 2025-08-21 14:57:47.919 Local account: ALEXHOME\User
. 2025-08-21 14:57:47.919 Working directory: F:\Документы\Visual Studio Projects\Цветы\Инструменты\УдаленныйДоступ\УдаленныйДоступ\bin\Release
. 2025-08-21 14:57:47.919 Process ID: 7616
. 2025-08-21 14:57:47.937 Ancestor processes: RemoteDesktop, msvsmon, devenv, ...
. 2025-08-21 14:57:47.937 Command-line: "F:\Документы\Visual Studio Projects\Цветы\Инструменты\УдаленныйДоступ\УдаленныйДоступ\bin\Release\WinSCP.exe" /ini=nul /log=ftp.log ftp://user:***@localhost:21/
. 2025-08-21 14:57:47.937 Time zone: Current: GMT+3 (RTZ 2 (зима)), No DST
. 2025-08-21 14:57:47.938 Login time: 21 Август 2025 г. 14:57:47
. 2025-08-21 14:57:47.938 --------------------------------------------------------------------------
. 2025-08-21 14:57:47.938 Session name: user@localhost (Ad-Hoc site)
. 2025-08-21 14:57:47.938 Host name: localhost (Port: 21)
. 2025-08-21 14:57:47.938 User name: user (Password: Yes, Key file: No, Passphrase: No)
. 2025-08-21 14:57:47.938 Transfer Protocol: FTP
. 2025-08-21 14:57:47.938 Ping type: Dummy, Ping interval: 30 sec; Timeout: 15 sec
. 2025-08-21 14:57:47.938 Disable Nagle: No
. 2025-08-21 14:57:47.938 Proxy: None
. 2025-08-21 14:57:47.938 Send buffer: 262144
. 2025-08-21 14:57:47.938 UTF: Auto
. 2025-08-21 14:57:47.938 FTPS: None [Client certificate: No]
. 2025-08-21 14:57:47.938 FTP: Passive: Yes [Force IP: Auto]; MLSD: Auto [List all: Auto]; HOST: Auto
. 2025-08-21 14:57:47.938 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2025-08-21 14:57:47.938 Cache directory changes: Yes, Permanent: Yes
. 2025-08-21 14:57:47.938 Recycle bin: Delete to: No, Overwritten to: No, Bin path:
. 2025-08-21 14:57:47.938 Timezone offset: 0h 0m
. 2025-08-21 14:57:47.938 --------------------------------------------------------------------------
. 2025-08-21 14:57:48.440 Соединяюсь с localhost…
. 2025-08-21 14:57:50.004 Соединение с localhost установлено. Ожидаю приветствие…
< 2025-08-21 14:57:50.050 220-FileZilla Server 1.8.1
< 2025-08-21 14:57:50.050 220 Please visit https://filezilla-project.org/
> 2025-08-21 14:57:50.050 USER user
< 2025-08-21 14:57:50.053 331 Please, specify the password.
> 2025-08-21 14:57:50.053 PASS ******
< 2025-08-21 14:57:50.056 230 Login successful.
> 2025-08-21 14:57:50.056 SYST
. 2025-08-21 14:57:50.058 FileZilla server detected.
< 2025-08-21 14:57:50.058 215 UNIX emulated by FileZilla.
> 2025-08-21 14:57:50.058 FEAT
< 2025-08-21 14:57:50.059 211-Features:
< 2025-08-21 14:57:50.059 MDTM
< 2025-08-21 14:57:50.059 REST STREAM
< 2025-08-21 14:57:50.080 SIZE
< 2025-08-21 14:57:50.080 MLST type*;size*;modify*;perm*;
< 2025-08-21 14:57:50.080 MLSD
< 2025-08-21 14:57:50.080 AUTH SSL
< 2025-08-21 14:57:50.080 AUTH TLS
< 2025-08-21 14:57:50.080 PROT
< 2025-08-21 14:57:50.080 PBSZ
< 2025-08-21 14:57:50.080 UTF8
< 2025-08-21 14:57:50.080 TVFS
< 2025-08-21 14:57:50.080 EPSV
< 2025-08-21 14:57:50.080 EPRT
< 2025-08-21 14:57:50.080 MFMT
< 2025-08-21 14:57:50.080 211 End
. 2025-08-21 14:57:50.146 Соединение установлено
. 2025-08-21 14:57:50.146 --------------------------------------------------------------------------
. 2025-08-21 14:57:50.146 Using FTP protocol.
. 2025-08-21 14:57:50.146 Doing startup conversation with host.
> 2025-08-21 14:57:50.163 PWD
< 2025-08-21 14:57:50.166 257 "/" is current directory.
. 2025-08-21 14:57:50.166 Getting current directory name.
. 2025-08-21 14:57:50.206 Получаю содержимое каталога…
> 2025-08-21 14:57:50.206 TYPE A
< 2025-08-21 14:57:50.209 200 Type set to A
> 2025-08-21 14:57:50.209 PASV
< 2025-08-21 14:57:50.212 227 Entering Passive Mode (192,168,0,2,194,246)
> 2025-08-21 14:57:50.212 MLSD
. 2025-08-21 14:57:50.212 Соединяюсь с 192.168.0.2:49910…
. 2025-08-21 14:57:50.213 Data connection closed
. 2025-08-21 14:57:50.214 <Empty directory listing>
< 2025-08-21 14:57:50.215 425 Unable to build data connection: EINVAL - Invalid argument passed
. 2025-08-21 14:57:50.215 Не могу получить содержимое каталога
* 2025-08-21 14:57:50.237 (ECommand) Не могу просмотреть каталог '/'.
* 2025-08-21 14:57:50.237 Не могу получить содержимое каталога
* 2025-08-21 14:57:50.237 Unable to build data connection: EINVAL - Invalid argument passed
. 2025-08-21 14:57:51.543 Startup conversation with host finished.
. 2025-08-21 14:58:21.038 Sending dummy command to keep session alive.
> 2025-08-21 14:58:21.038 TYPE A
< 2025-08-21 14:58:21.038 200 Type set to A
. 2025-08-21 14:58:50.117 Sending dummy command to keep session alive.
> 2025-08-21 14:58:50.117 REST 0
< 2025-08-21 14:58:50.117 350 Restarting at 0
. 2025-08-21 18:01:29.953 --------------------------------------------------------------------------
. 2025-08-21 18:01:29.955 WinSCP Версия 6.5.3 (Сборка 16364 2025-07-16) (OS 10.0.26100 – Windows 11 Pro)
. 2025-08-21 18:01:29.955 Configuration: nul
. 2025-08-21 18:01:29.955 Log level: Normal
. 2025-08-21 18:01:29.955 Local account: ALEXHOME\User
. 2025-08-21 18:01:29.955 Working directory: F:\Документы\Visual Studio Projects\Цветы\Инструменты\УдаленныйДоступ\УдаленныйДоступ\bin\Debug
. 2025-08-21 18:01:29.955 Process ID: 12204
. 2025-08-21 18:01:29.974 Ancestor processes: RemoteDesktop, msvsmon, devenv, ...
. 2025-08-21 18:01:29.974 Command-line: "F:\Документы\Visual Studio Projects\Цветы\Инструменты\УдаленныйДоступ\УдаленныйДоступ\bin\Debug\WinSCP.exe" /ini=nul /log=ftp.log ftp://anonymous:***@localhost:21/
. 2025-08-21 18:01:29.974 Time zone: Current: GMT+3 (RTZ 2 (зима)), No DST
. 2025-08-21 18:01:29.974 Login time: 21 Август 2025 г. 18:01:29
. 2025-08-21 18:01:29.974 --------------------------------------------------------------------------
. 2025-08-21 18:01:29.974 Session name: anonymous@localhost (Ad-Hoc site)
. 2025-08-21 18:01:29.974 Host name: localhost (Port: 21)
. 2025-08-21 18:01:29.974 User name: anonymous (Password: Yes, Key file: No, Passphrase: No)
. 2025-08-21 18:01:29.974 Transfer Protocol: FTP
. 2025-08-21 18:01:29.974 Ping type: Dummy, Ping interval: 30 sec; Timeout: 15 sec
. 2025-08-21 18:01:29.974 Disable Nagle: No
. 2025-08-21 18:01:29.974 Proxy: None
. 2025-08-21 18:01:29.974 Send buffer: 262144
. 2025-08-21 18:01:29.974 UTF: Auto
. 2025-08-21 18:01:29.974 FTPS: None [Client certificate: No]
. 2025-08-21 18:01:29.974 FTP: Passive: Yes [Force IP: Auto]; MLSD: Auto [List all: Auto]; HOST: Auto
. 2025-08-21 18:01:29.974 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2025-08-21 18:01:29.975 Cache directory changes: Yes, Permanent: Yes
. 2025-08-21 18:01:29.975 Recycle bin: Delete to: No, Overwritten to: No, Bin path:
. 2025-08-21 18:01:29.975 Timezone offset: 0h 0m
. 2025-08-21 18:01:29.975 --------------------------------------------------------------------------
. 2025-08-21 18:01:30.413 Соединяюсь с localhost…
. 2025-08-21 18:01:32.049 Соединение с localhost установлено. Ожидаю приветствие…
< 2025-08-21 18:01:32.109 220 (vsFTPd 3.0.5)
> 2025-08-21 18:01:32.109 USER anonymous
< 2025-08-21 18:01:32.112 331 Please specify the password.
> 2025-08-21 18:01:32.112 PASS *********************
< 2025-08-21 18:01:32.117 230 Login successful.
> 2025-08-21 18:01:32.117 SYST
< 2025-08-21 18:01:32.119 215 UNIX Type: L8
> 2025-08-21 18:01:32.119 FEAT
< 2025-08-21 18:01:32.121 211-Features:
< 2025-08-21 18:01:32.121 EPRT
< 2025-08-21 18:01:32.121 EPSV
< 2025-08-21 18:01:32.121 MDTM
< 2025-08-21 18:01:32.121 PASV
< 2025-08-21 18:01:32.121 REST STREAM
< 2025-08-21 18:01:32.121 SIZE
< 2025-08-21 18:01:32.121 TVFS
< 2025-08-21 18:01:32.121 UTF8
< 2025-08-21 18:01:32.121 211 End
> 2025-08-21 18:01:32.121 OPTS UTF8 ON
< 2025-08-21 18:01:32.123 200 Always in UTF8 mode.
. 2025-08-21 18:01:32.174 Соединение установлено
. 2025-08-21 18:01:32.174 --------------------------------------------------------------------------
. 2025-08-21 18:01:32.174 Using FTP protocol.
. 2025-08-21 18:01:32.174 Doing startup conversation with host.
> 2025-08-21 18:01:32.190 PWD
< 2025-08-21 18:01:32.192 257 "/" is the current directory
. 2025-08-21 18:01:32.192 Getting current directory name.
. 2025-08-21 18:01:32.233 Получаю содержимое каталога…
> 2025-08-21 18:01:32.233 TYPE A
< 2025-08-21 18:01:32.235 200 Switching to ASCII mode.
> 2025-08-21 18:01:32.236 PASV
< 2025-08-21 18:01:32.238 227 Entering Passive Mode (192,168,0,111,148,18).
> 2025-08-21 18:01:32.238 LIST -a
. 2025-08-21 18:01:32.238 Соединяюсь с 192.168.0.111:37906…
. 2025-08-21 18:01:47.983 Превышено время ожидания (соединение потока передачи данных)
. 2025-08-21 18:01:47.986 Не могу получить содержимое каталога
. 2025-08-21 18:01:47.995 LIST with -a failed, will try pure LIST
. 2025-08-21 18:01:48.029 Соединяюсь с localhost…
. 2025-08-21 18:01:50.042 Соединение с localhost установлено. Ожидаю приветствие…
< 2025-08-21 18:01:50.088 220 (vsFTPd 3.0.5)
> 2025-08-21 18:01:50.088 USER anonymous
< 2025-08-21 18:01:50.091 331 Please specify the password.
> 2025-08-21 18:01:50.091 PASS *********************
< 2025-08-21 18:01:50.094 230 Login successful.
> 2025-08-21 18:01:50.094 SYST
< 2025-08-21 18:01:50.096 215 UNIX Type: L8
> 2025-08-21 18:01:50.096 FEAT
< 2025-08-21 18:01:50.098 211-Features:
< 2025-08-21 18:01:50.098 EPRT
< 2025-08-21 18:01:50.098 EPSV
< 2025-08-21 18:01:50.098 MDTM
< 2025-08-21 18:01:50.098 PASV
< 2025-08-21 18:01:50.098 REST STREAM
< 2025-08-21 18:01:50.099 SIZE
< 2025-08-21 18:01:50.099 TVFS
< 2025-08-21 18:01:50.099 UTF8
< 2025-08-21 18:01:50.099 211 End
> 2025-08-21 18:01:50.099 OPTS UTF8 ON
< 2025-08-21 18:01:50.100 200 Always in UTF8 mode.
. 2025-08-21 18:01:50.136 Соединение установлено
. 2025-08-21 18:01:50.136 Doing startup conversation with host.
> 2025-08-21 18:01:50.152 PWD
< 2025-08-21 18:01:50.154 257 "/" is the current directory
. 2025-08-21 18:01:50.154 Changing directory to "/".
> 2025-08-21 18:01:50.155 CWD /
< 2025-08-21 18:01:50.157 250 Directory successfully changed.
. 2025-08-21 18:01:50.157 Getting current directory name.
> 2025-08-21 18:01:50.158 PWD
< 2025-08-21 18:01:50.159 257 "/" is the current directory
. 2025-08-21 18:01:50.159 Startup conversation with host finished.
. 2025-08-21 18:01:50.187 Получаю содержимое каталога…
> 2025-08-21 18:01:50.187 TYPE A
< 2025-08-21 18:01:50.190 200 Switching to ASCII mode.
> 2025-08-21 18:01:50.190 PASV
< 2025-08-21 18:01:50.193 227 Entering Passive Mode (192,168,0,111,32,174).
> 2025-08-21 18:01:50.193 LIST
. 2025-08-21 18:01:50.193 Соединяюсь с 192.168.0.111:8366…
. 2025-08-21 18:02:05.983 Превышено время ожидания (соединение потока передачи данных)
. 2025-08-21 18:02:05.984 Не могу получить содержимое каталога
* 2025-08-21 18:02:06.067 (EFatal) **Соединение разорвано.**
* 2025-08-21 18:02:06.067 Превышено время ожидания (соединение потока передачи данных)
* 2025-08-21 18:02:06.067 Не могу получить содержимое каталога
* 2025-08-21 18:02:06.067 Не могу просмотреть каталог '/'.