[X2Go-User] X2Go and ssh forwarding

Andreas Yankopolus andreas at yank.to
Sat Jul 27 02:02:02 CEST 2013


Deleted and re-entered the config on my end and was able to pull up the remote desktop. Connection forwarding on OS X works!

—Andreas

On Jul 26, 2013, at 16:52, Andreas Yankopolus <andreas at yank.to> wrote:

> Did some more poking around with this. Console output consists of:
> 
> ***
> 
> ONMainWindow constructor 
> 
> Can't load translator (:/x2goclient_en_us) !
> 
> Can't load translator  :/qt_en_US 
> ONMainWindows constructor finished, home Directory is: "/Users/ayank" 
> 
> read  2  sessions from config file 
> start new ssh connection to server: "private.ip.address" : "22" krb:  false 
> 
> "Can not connect to private.ip.address:22"  -  "Timeout connecting to localhost" 
> 
> ***
> 
> I'm attempting to connect to a computer at public.ip.address via a proxy server to get at private.ip.address. I've verified that I can do this on the ssh command line.
> 
> —Andreas
> 
> On Jun 28, 2013, at 05:12, Kjell Otto <otto.kjell at gmail.com> wrote:
> 
>> Could you try to use the client from the console and list the output? Maybe we can get somewhere with the printouts...?!
>> 
>> Greetings, 
>> Kjellski
>> 
>> P.S.: @Mike, I've further improved the debugging on my clone of the client, should I try to merge that into upstream and let 
>> you have a look?
>> 
>> 
>> 2013/6/27 Andreas Yankopolus <andreas at yank.to>
>> 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:
>> 
>> $ ssh -X -A -t andreas at external.ip.address ssh -A -X andreas at internal.ip.address
>> 
>> 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 at gmail.com> 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 at das-netzwerkteam.de>
>>> 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
>>> 
>>> 
>>> -- 
>>> 
>>> DAS-NETZWERKTEAM
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>>> 
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>>> 
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>>> 
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>> 
>> 
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> 

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