Dear Mike,

what I would like to have is that like in putty I can enter the proxy server, the port, my proxy user, and my proxy password. The x2goclient will create a SSH connection.

As long as x2go does not support this scenario. I have to log onto my server using putty. With putty I log onto port 443 of my server and create a tunnel between port 443 on my laptop to port 443 of my server. The I use the x2goclient to connect to my laptop port 443.

Best regards

Heinrich

-------- Original-Nachricht --------

Datum: Fri, 21 Sep 2012 09:37:51 +0200 Von: Mike Gabriel <mike.gabriel@das-netzwerkteam.de> An: glpk xypron <xypron.glpk@gmx.de>, 34@bugs.x2go.org Betreff: Re: [X2Go-Dev] Bug#34: Support for proxy server

Hi Heinrich,

On Fr 21 Sep 2012 08:03:30 CEST glpk xypron wrote:

...

Package: x2goclient Version: V.3.99.2.2 (Qt - 4.8.1) Severity: wishlist

I would like to use x2goclient from behind a firewall without having
to setup a tunnel with an external tool.

My ssh server is running on port 443. The http method CONNECT can be
used to create the connection over the firewall.

Please, add proxy support to the x2goclient.

Best regards

Heinrich Schuchardt

You may want to test PyHoca-GUI. It has SSH tunneling support
built-in. You can SSH through an SSH tunnel to a server behind a
firewall. Only thing needed is a machine (on the gate) that allows SSH
hopping.

I suspect, though, you mean something differen.

What external tool do you use for setting up your tunnel. Please
specify on that. Do you go over a squid proxy? Including such a
feature into x2goclient (esp. for the X2Go plugin) will be a wanted
feature.

If you have, please provide you concept in detail and post it to

34@bugs.x2go.org

Thanks, Mike

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On Fri, Sep 21, 2012 at 2:47 PM, Stefan Baur <newsgroups.mail2@stefanbaur.de> wrote:

More info for the devs:

http://en.wikipedia.org/wiki/Tunneling_protocol - section "Tunneling to circumvent firewall policy", second paragraph.

Sounds pretty much what corkscrew does: http://www.mtu.net/~engstrom/ssh-proxy.php

AFAIUI the bug submitter wants this functionality built into x2goclient.

-- regards, Reinhard

Hi Heinrich,

On Fr 21 Sep 2012 14:20:19 CEST glpk xypron wrote:

Dear Mike,

what I would like to have is that like in putty I can enter the
proxy server, the port, my proxy user, and my proxy password. The
x2goclient will create a SSH connection.

As long as x2go does not support this scenario. I have to log onto
my server using putty. With putty I log onto port 443 of my server
and create a tunnel between port 443 on my laptop to port 443 of my
server. The I use the x2goclient to connect to my laptop port 443.

Ok, we will investigate what putty is doing and maybe it is quite easy
to immitate that. I am still not sure what there is behind that
technologically.

Please take a look at the SSH proxy feature in PyHoca-GUI and check if
that meets your requirements.

Do not expect such a feature to be there by tomorrow. It is on the
wishlist, though.

Mike

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