Re: ssh tunneling and keys - how to...

[Antoniette <maglez@btinternet.com>]

Brian Wilson <wilson <at> ds.net> writes:

> 
> You have your local computer connected to a second computer and want to go fro 
> the second machine to a third machine (if I understand this).  The connection 
> from the local machine to the second machine works; but the connection from 
> the second to the third does not work.
> 
> You need to set up an ssh key from the second server to the third server.  
> Generate the public/private key on the second server and move the public key 
> to the third server's .ssh directory (and check the directory and file 
> permissions are correct).  You can't set up keys for all machines from the 
> local machine only.  I hope this helps.
> 
> Sincerely,
> 
> Brian S. Wilson
> 
> ---------- Original Message -----------
> > I need to ssh to a server and from there jump to another server.
> > 
> > I created a public key and gave it to the administrator to install 
> > it on their side.
> > 
> > I successfully connect to the first server but once in there, I 
> > cannot connect to the next server, I always get 'Permission denied'.
> > 
> > My colleagues on Mac or Linux have not issues. Can I do this with 
> > CygWin or should I use something different?
> > 
> > I've been told that I need to do something else on CygWin so this 
> > carry on the public key... Is this the case?
> > 
> > Thanks.
> ------- End of Original Message -------
> 
> 


Hi Brian and thanks for your answer.

Yes, that's what I want to do, from my local machine connect to a remote server,
once I open a session on that server, then connect to another server.

The thing is that when I do this from a Linux machine, it works fine.

I do not connect using my own user name but a special user name with read
privileges that the administrators of those servers have created, imagine that
the remote servers have created a user such as 'readonlyuser' with password
'simplepassword', that the first server is 'firstserver' and that the second
server is 'secondserver', then I connect as...

ssh readonlyuser@firstserver 
(when asked for the password we input 'simplepassword'

Now I'm connected to firstserver and from there I do...

ssh readonlyuser@secondserver 
(when asked for the password I input 'simplepassword'

This last part is the one I cannot get working, I don't know if I am making
sense here but it works from a Linux machine.

Any ideas? 


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