Re: [X2Go-User] Encryption Algorithms

2016-02-18 Thread Klaus Fuerstberger
Robert Dinse schrieb am 18.02.2016 um 22:56:
>  Is there anyway to specify which encryption algorithms x2go allows or
> tries to use?
> 
>  I have a problem where I've got the latest and greatest installed,
> Ubuntu 15.10, latest client, etc.  I have customers with old Ubuntu like
> 12.04LTS, and they can't connect with their old x2go clients because it
> can't
> establish a compatible set of encryption.

Put the following in /etc/ssh/sshd_config (without linebreaks)

KexAlgorithms
curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1

Regards
Klaus
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Re: [X2Go-User] kex error

2016-01-30 Thread Klaus Fuerstberger
Mihai Moldovan schrieb am 29.01.2016 um 18:38:
> Note that libssh versions from 0.5.3 onwards also support the group14-sha1 key
> exchange algorithm. Debian Wheezy is shipping 0.5.4, so that would be covered.
> Unless you need even older client to connect to the server (for instance 
> Ubuntu
> Precise), I suggest removing "diffie-hellman-group1-sha1" from the 
> KexAlgorithms
> key again, because "diffie-hellman-group14-sha1" - which is also in the list -
> should be enough to let X2Go Client (via libssh) connect to the server.

i can confirm that "diffie-hellman-group1-sha1" ist not necessary with
older x2go clients and "diffie-hellman-group14-sha1" is enough. Thanks
for the hint!

Regards
Klaus
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Re: [X2Go-User] kex error

2016-01-30 Thread Klaus Fuerstberger
Stefan Baur schrieb am 29.01.2016 um 18:16:
> which ends up in two lines in e-mail, due to the enforced line
> break at the blank. ;-)

Haha, sure Stefan :-)
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Re: [X2Go-User] kex error

2016-01-29 Thread Klaus Fuerstberger
KARL A. WOELFER schrieb am 29.01.2016 um 18:03:
> #  KexAlgorithms 
> #  
> curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

Option and value should be on one line.

Here is my working entry:

KexAlgorithms
ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

Regards
Klaus
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Re: [X2Go-User] kex error

2016-01-29 Thread Klaus Fuerstberger
KARL A. WOELFER schrieb am 29.01.2016 um 01:20:

> My previous X2go clients (V4.0.3.0, running on Debian 7) cannot connect to 
> this new server, giving the following.
> kex error : did not find one of algos diffie-hellman-group1-sha1 in list 
> curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1
>  for kex algos

http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=472

Regards
Klaus
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Re: [X2Go-User] Shared folders and .dot files

2015-12-02 Thread Klaus Fuerstberger
Klaus Fuerstberger schrieb am 27.10.2015 um 14:43:
> Orion Poplawski schrieb am 27.10.2015 um 02:56:
> 
>> If x2go needs to manipulate any files as root (I do not know), then this
>> needs to not be in the home directory which could be on NFS.  I agree
>> though that it shouldn't be hidden, and also suggest that it should be
>> in XDG_RUNTIME_DIR.
> 
> x2go mounts are done as uid and gid of the user who starts an x2go
> session. So I think the mounts for shared directories and printing spool
> could be done in users home. But if they had to be in /tmp, please not
> hidden. XDG_RUNTIME_DIR or another variable across all x2go* scripts
> would be very helpful.
> Can and will this eventually be implemented?

Any news about this?

Thanks
Klaus
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Re: [X2Go-User] Shared folders and .dot files

2015-10-27 Thread Klaus Fuerstberger
Orion Poplawski schrieb am 27.10.2015 um 02:56:

> If x2go needs to manipulate any files as root (I do not know), then this
> needs to not be in the home directory which could be on NFS.  I agree
> though that it shouldn't be hidden, and also suggest that it should be
> in XDG_RUNTIME_DIR.

x2go mounts are done as uid and gid of the user who starts an x2go
session. So I think the mounts for shared directories and printing spool
could be done in users home. But if they had to be in /tmp, please not
hidden. XDG_RUNTIME_DIR or another variable across all x2go* scripts
would be very helpful.
Can and will this eventually be implemented?

Klaus
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[X2Go-User] Shared folders and .dot files

2015-10-26 Thread Klaus Fuerstberger
Hello,

I'm sharing a Java application over x2go which is started as single
application. Now there is a problem to access the shared folder of the
client.

x2gomountdirs mounts the folder as a link to /tmp/.x2go-{$USER}/... When
the java applications file chooser dialog wants to access /media then
the selection jumps to /tmp but cannot find the hidden folder
/tmp/.x2go-{$USER} directory, because it is a hidden .dot directory.

Is ist possible to change the hardcoded directories to another, not
hidden path, eg. /tmp/x2go-{$USER}... and additionally move the
temporary files to the users home directory?

Thanks!
Klaus
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[X2Go-User] x2goplugin on windows

2014-08-22 Thread Klaus Fuerstberger
Hello,

I compiled the npx2goplugin.dll plugin and put it in the plugins
directory of a firefox portable or chrome portable on Windows 7 or
Windows XP.

In the list of installed plugins the plugin is listed and activated in
both browsers but when I call the webserver address of the x2go Site,
Chrome says the plugin cannot be loaded and Firefox stays at a white
window. The server side is working fine because a linux client with a
precompiled x2goclient-plugin can connect without any problems.

I installed the prerequisites as listed in
http://wiki.x2go.org/doku.php/wiki:development:build-howto-mswin:x2goclient
to compile the plugin.

- Fetched the latest git version 4.0.3.0
- Adapted x2goclient\x2goclient.rc because of an compile error
- Adapted
x2goclient\qtbrowserplugin-2.4_1-opensource\src\qtbrowserplugin_p.h
because of an compile error
- run config_win_plugin.bat and build_win_plugin.bat

The plugin npx2goplugin.dll is created with a size of 12752 KB.

When I try to run this plugin on the same host where the build
environment is installed, the plugin is loaded with an error "X-Server
cannot be started", but I think this is a configuration error but at
least it gets loaded. Does this mean, that some (Qt?) libraries are
missing for running the plugin on hosts with no Qt build environment?
Did I miss something?

Has anyone successful compiled and is using the x2goplugin for windows?

Thanks for your help!

Klaus
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