X2Go Bug report logs - #765
Kex Error in X2Go client

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Package: x2goclient; Maintainer for x2goclient is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goclient is src:x2goclient.

Reported by: promox <promox@gmx.com>

Date: Sat, 24 Jan 2015 12:55:02 UTC

Severity: normal

Found in version 4.0.3.1

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Message #17 received at 765@bugs.x2go.org (full text, mbox, reply):

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Subject: Workaround. And was this on Windows?
From: Michael DePaulo <mikedep333@gmail.com>
To: promox@gmx.com
Cc: 765@bugs.x2go.org
Content-Type: text/plain; charset=UTF-8
Hi Promox,

Sorry to hear that you ran into this bug.

Were you using X2Go Client for Windows?

I reproduced it yesterday with X2Go Client for Windows
4.0.3.2-20150301. It appears that this occurs when the server does not
have an ecdsa 256-bit key. Some Linux distros generate one by default,
others do not.

The workaround is to generate such a key:
sudo ssh-keygen -f /etc/ssh/ssh_host_ecdsa_key -N '' -t ecdsa -b 256

I think this is a bug in terms of how x2goclient uses libssh

-Mike#2


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