Ftp error using the list command

[QWERT]

I get this error when I try to list the directory on the server using the LIST command.


425 Unable to build data connection: Invalid argument

Thanks,
Jonathan Randal

[Hack]

Post the code you are running.

[QWERT]

'BEGIN SENDING THE INFORMATION TO THE SERVER
Public Sub SendCommand(ByVal data As String)

Const CRLF As String = vbCrLf

Dim so As New StateObject
Dim buff() As Byte = Encoding.ASCII.GetBytes(data)

m_ControlConnection.Send(buff, SocketFlags.None)

End Sub

Property Command() As String
Get
Return m_command
End Get
Set(ByVal value As String)

m_command = value

SendCommand(value & vbCrLf)

End Set
End Property

Private Function GetData() As String

Dim so As StateObject
Dim buffer(255) As Byte
Dim flags As SocketFlags

flags = SocketFlags.None


Dim size As Integer = m_ControlConnection.Receive(buffer, 255, SocketFlags.None)

Return Encoding.ASCII.GetString(buffer)

End Function

SUB DATACONNECTION()
Command = "LIST /httpdocs"

Dim _data As String = GetData()

'ERROR CODE: "425 Unable to build data connection: Invalid argument
Debug.WriteLine(_data)

' bind the listening socket to the port
Dim info As IPHostEntry = Dns.GetHostEntry(Dns.GetHostName())
Dim ep As New IPEndPoint(info.AddressList(1), port)

'Bind to the local System

m_DataConnection.Bind(ep)

' START LISTENING
m_DataConnection.Listen(1)

'START ACCEPTING CONNECTIONS FROM THE SERVER
Dim mysocket As Socket = m_DataConnection.Accept()
END SUB