SOCKS4 and SOCKS5 Proxy for FTP

Demonstrates how to connect to an FTP server through a SOCKS4 or SOCKS5 proxy. Both SSL/TLS and non-secure FTP communications may use SOCKS4 and SOCKS5 proxies.

Download: Chilkat .NET Assemblies

Dim ftp As New Chilkat.Ftp2()

Dim success As Boolean

'  Any string unlocks the component for the 1st 30-days.
success = ftp.UnlockComponent("Anything for 30-day trial")
If (success <> true) Then
    MsgBox(ftp.LastErrorText)
    Exit Sub
End If


ftp.Hostname = "ftp.example-code.com"
ftp.Username = "myLogin"
ftp.Password = "myPassword"

'  To use a SOCKS4 or SOCKS5 proxy, simply set the following
'  properties prior to connecting:
'  The SOCKS hostname may be a domain name or
'  IP address:
ftp.SocksHostname = "www.mysocksproxyserver.com"
ftp.SocksPort = 1080
ftp.SocksUsername = "myProxyLogin"
ftp.SocksPassword = "myProxyPassword"
'  Set the SOCKS version to 4 or 5 based on the version
'  of the SOCKS proxy server:
ftp.SocksVersion = 5
'  Note: SOCKS4 servers only support usernames without passwords.
'  SOCKS5 servers support full login/password authentication.


'  Connect and login to the FTP server.
success = ftp.Connect()
If (success <> true) Then
    MsgBox(ftp.LastErrorText)
    Exit Sub
End If


'  Change to the remote directory where the file is located.
'  This step is only necessary if the file is not in the root directory
'  for the FTP account.
success = ftp.ChangeRemoteDir("junk")
If (success <> true) Then
    MsgBox(ftp.LastErrorText)
    Exit Sub
End If


'  Download a file.
Dim localFilename As String
localFilename = "c:/temp/hamlet.xml"
Dim remoteFilename As String
remoteFilename = "hamlet.xml"

success = ftp.GetFile(remoteFilename,localFilename)
If (success <> true) Then
    MsgBox(ftp.LastErrorText)
    Exit Sub
End If


ftp.Disconnect()

MsgBox("File Downloaded!")