Chilkat2-Python

Open an SSH Tunnel

See more Socket/SSL/TLS Examples

Demonstrates Socket.SshOpenTunnel, which connects to an SSH server and initializes an SSH tunneling session, then authenticates it.

Background. An SSH tunnel lets a socket reach a destination host through an SSH server using port forwarding. The sequence is: open the tunnel, authenticate, then open forwarded channels to destinations.

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import sys
import chilkat2

success = False

socket = chilkat2.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):
    print(socket.LastErrorText)
    sys.exit()

# After the tunnel is open, authenticate before opening forwarded channels.
# The SSH password should come from a secure source rather than being hard-coded.
sshPassword = "mySshPassword"
success = socket.SshAuthenticatePw("sshUser",sshPassword)
if (success == False):
    print(socket.LastErrorText)
    sys.exit()

print("SSH tunnel established and authenticated.")