Tunnelling with -R

From: Richard Caley (MYFIRSTNAME@MYLASTNAME.org.uk)
Date: 12/23/02 

From: Richard Caley <MYFIRSTNAME@MYLASTNAME.org.uk>
Date: Mon, 23 Dec 2002 12:01:00 GMT

I am trying to forward connections to a server behind a NAT router. On
the server machine I run

        ssh [...] -R remoteport:localhost:port user@remotehost sleep 30

This listens on port 127.0.0.1:remoteport on remotemachine.

So I can connect from a process on the remote machine to the hidden
server. So far so good.

I would like to be able to connect to that remote server from other
machines on the network where remotehost lives. When using a -L style
tunnel the -g argument works, but for -R it doesn't seem to be
working.

I can understand that `poke a hole through the firewall and let anyone
connect through' is a dangerous operation, but in this case both ends
are behind firewalls, so I am just bringing one (relatively) safe area
inside another.

(OpenSSH_2.5.2p2 at the server end, OpenSSH_3.4p1 at the client end). 

-- 
Mail me as MYFIRSTNAME@MYLASTNAME.org.uk        _O_
                                                 |<

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