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VB.NET

Close an SSH Tunnel

See more Socket/SSL/TLS Examples

Demonstrates Socket.SshCloseTunnel, which closes the SSH tunnel opened by SshOpenTunnel and terminates its forwarded channels.

Background. Closing the tunnel does not affect unrelated SSH objects or connections.

Chilkat VB.NET Downloads

VB.NET
Dim success As Boolean = False

Dim socket As New Chilkat.Socket

'  Connect to the SSH server and initialize an SSH tunneling session.  Port 22 is conventional but
'  not required.
success = socket.SshOpenTunnel("ssh.example.com",22)
If (success = False) Then
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If


'  Authenticate the SSH session before opening forwarded channels.
'  The SSH password should come from a secure source rather than being hard-coded.
Dim sshPassword As String = "mySshPassword"
success = socket.SshAuthenticatePw("sshUser",sshPassword)
If (success = False) Then
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If


'  Close the SSH tunnel and terminate its forwarded channels.  This does not affect unrelated SSH
'  objects or connections.
success = socket.SshCloseTunnel()
If (success = False) Then
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If

Debug.WriteLine("SSH tunnel closed.")