On Mon, Oct 13, 2014 at 7:22 PM, Michael DePaulo <mikedep333@gmail.com> wrote
[..]
The bad news: I can confirm that X2Go Client for Windows 4.0.2.1+hotfix+build6 (and all prior versions/builds) ARE AFFECTED by this bug and ARE UNABLE to connect to a Debian Jessie server with openssh-server 6.7p1-2 (from sid) installed. Said version of X2go Client for Windows bundles and uses libssh 0.5.5.
The good news: I can confirm that X2Go Client for Windows 4.0.3.0 nightly builds (mingw 4.8 tested) ARE NOT AFFECTED by this bug and ARE ABLE to connect to a Debian Jessie server with openssh-server 6.7p1-2 (from sid) installed. Said version of X2Go Client bundles and uses libssh 0.6.3.
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-Mike#2
X2Go Client (binary package: x2goclient) 4.0.2.1-1 as it exists in Debian Jessie right now IS NOT AFFECTED. It IS ABLE to connect the aforementioned server. It is using Debian Jessie's libssh (binary package: libssh-4) 0.6.3-3+b1.
Note that when you connect and perform the key exchange, ~/.ssh/known_hosts (Windows: %USERPROFILE%/ssh/known_hosts) will have a line like the following added: 192.168.1.37 ecdsa-sha2-nistp256 <host-id> Whereas for the old key exchange, a line like this would be added: 192.168.1.37 ssh-rsa <host-id>
-Mike#2