[Twisted-Python] help ssh forwarding.
z3p at twistedmatrix.com
Thu Mar 11 11:36:09 EST 2004
On Thu, 2004-03-11 at 09:04, Oisin Mulvihill wrote:
> The solution to this is to forward port 22 on the kiosk to
> a port on the server. I was thinking of just spawning the
> command "ssh -R11122:my_server:22 user at my_server" from the
> kiosk, when ever I need to connect to a machine. However I'm
> hoping to do this with twisted, since the kiosk app uses it
> already, and spawning the ssh command won't play well with
> twisted's event system.
Take a look at reactor.spawnProcess().
> Can anyone suggest what I'm doing wrong? Can twisted actually
> do this?
Well, what you're doing wrong is you're using local->remote forwarding
in your example. What you want is to ask the server to forward a remote
port over the connection. Look at twisted.scripts.conch.SSHConnection,
methods requestRemoteForwarding and channel_forwarded_tcpip for an
example of how to implement remote->local forwarding.
(o_ z3p at twistedmatrix dot com
V_/_ AIM: Z3Penguin
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