Real Time File Transfer using python script

I want to create an application which needs from time to time do file transfer (I want to write the server as well as the client).

What is the best way to do this file transfer?

Thanks in advance..

N开发者_开发百科immy...

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Pyftpdlib as a server.

and any linux box as a client.

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FTP Tunneled over SSH. Use twisted and a good linux shell.