Andreas Yankopolus | 27 Jun 15:37 2013
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Re: X2Go and ssh forwarding

I was at first rather mystified by Mike's answer referencing SSH proxy tab, as I didn't see it in my X2Go client, but updating to 4.0.1.0 addressed that ;-)

The proxy option times out when I try it on my system. I'm not able to check "Show Details" during the connection attempt to track what's happening.

My connection from the OS X Terminal is:


I have internal.ip.address listed as the server in my connection preferences and andreas as the login. I've checked "Use Proxy server for SSH connection" in preferences and added external.ip.address as the host. "Same login as on X2Go Server" is checked. Passwords are different, so that's unchecked.

—Andreas

On Jun 27, 2013, at 07:05, Kjell Otto <otto.kjell-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

As I remember, this feature is not very well tested, I've come across the usage in the codebase... only thing I can recall is that the informations were not really used already.

If anything is not working there, tell us Andreas, I think I might be able to help then ;)

Greetings,
Kjellski


2013/6/26 Mike Gabriel <mike.gabriel-QcRmU36LScxyC2I0vPwN6RvVK+yQ3ZXh@public.gmane.org>
Hi Andreas,


On Di 25 Jun 2013 16:29:41 CEST Andreas Yankopolus wrote:

Mike,

SSH agent forwardings are only supported by the Python X2Go Client named PyHoca-GUI. X2Go Client does not support forwarding of agent auth requests.

It's not looking like PyHoca-GUI plays well with OS X. Is it possible to set up port forwarding manually and point X2Go at localhost when connecting? Or maybe there's some other option?

Aftern thinking it through, you should be able to use the SSH proxy feature (Connection tab of X2Go Client). Configure the public.ip.address as the SSH proxy and the private.ip.address as X2Go Host. Enable SSH Agent authentication for both target machines (SSH Proxy, X2Go Host).

Andreas

Greets,
Mike


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<div>I was at first rather mystified by Mike's answer referencing SSH proxy tab, as I didn't see it in my X2Go client, but updating to 4.0.1.0 addressed that ;-)<div><br></div>
<div>The proxy option times out when I try it on my system. I'm not able to check "Show Details" during the connection attempt to track what's happening.</div>
<div><br></div>
<div>My connection from the OS X Terminal is:</div>
<div><br></div>
<div>$ ssh -X -A -t <a href="mailto:andreas@...">andreas@...</a> ssh -A -X <a href="mailto:andreas@...">andreas@...</a>
</div>
<div><br></div>
<div>I have internal.ip.address listed as the server in my connection preferences and andreas as the login. I've checked "Use Proxy server for SSH connection" in preferences and added external.ip.address as the host. "Same login as on X2Go Server" is checked. Passwords are different, so that's unchecked.</div>
<div><br></div>
<div>&mdash;Andreas<br><div>
<br><div>
<div>
<div>On Jun 27, 2013, at 07:05, Kjell Otto &lt;<a href="mailto:otto.kjell@...">otto.kjell@...</a>&gt; wrote:</div>
<br class="Apple-interchange-newline"><blockquote type="cite">
<div dir="ltr">As I remember, this feature is not very well tested, I've come across the usage in the codebase... only thing I can recall is that the informations were not really used already.<div><br></div>
<div>
If anything is not working there, tell us Andreas, I think I might be able to help then ;)</div>
<div><br></div>
<div>Greetings,</div>
<div>Kjellski</div>
</div>
<div class="gmail_extra">
<br><br><div class="gmail_quote">
2013/6/26 Mike Gabriel <span dir="ltr">&lt;<a href="mailto:mike.gabriel@..." target="_blank">mike.gabriel@...</a>&gt;</span><br><blockquote class="gmail_quote">
Hi Andreas,<div class="im">
<br><br>
On Di 25 Jun 2013 16:29:41 CEST Andreas Yankopolus wrote:<br><br><blockquote class="gmail_quote">
Mike,<br><br><blockquote class="gmail_quote">
SSH agent forwardings are only supported by the Python X2Go Client named PyHoca-GUI. X2Go Client does not support forwarding of agent auth requests.<br>
</blockquote>
<br>
It's not looking like PyHoca-GUI plays well with OS X. Is it possible to set up port forwarding manually and point X2Go at localhost when connecting? Or maybe there's some other option?<br>
</blockquote>
<br>
</div>
Aftern thinking it through, you should be able to use the SSH proxy feature (Connection tab of X2Go Client). Configure the public.ip.address as the SSH proxy and the private.ip.address as X2Go Host. Enable SSH Agent authentication for both target machines (SSH Proxy, X2Go Host).<br><br><blockquote class="gmail_quote">
Andreas<br>
</blockquote>
<div class="HOEnZb"><div class="h5">
<br>
Greets,<br>
Mike<br><br><br>
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</blockquote>
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Gmane