[X2Go-Dev] X2go Mac client and Red Hat 7 server

Real, Elizabeth (392K) Elizabeth.Real at jpl.nasa.gov
Tue May 12 23:02:56 CEST 2015


OSX client output:

> printf "\n\n\n\n\n\n\n\n" | nc -w3 127.0.0.1 18935

SSH-2.0-OpenSSH_6.4
Protocol mismatch.


> Please check if you have enabled any proxy setting in the Session
>Settings. Especially an HTTP-type proxy.

No proxy settings enabled.

> Also, is Kerberos5/GSSAPI authentication turned on or off?

Kerberos5/GSSAPI is turned off




On 5/12/15, 11:05 AM, "Mihai Moldovan" <ionic at ionic.de> wrote:

>On 12.05.2015 07:05 PM, Real, Elizabeth (392K) wrote:
>> Here is the SSH server debut output:
>> Connection from 128.149.23.102 port 60041
>> Did not receive identification string from 128.149.23.102
>> 
>> 
>> Client debug output:
>> x2go-INFO-8> "Starting connection to server: 127.0.0.1:18935"
>> x2go-ERROR-2> "Connection Error(Cannot connect to 127.0.0.1:18935):
>> Protocol mismatch: "
>
>This is so weird.
>
>For what I can tell, the server does send an empty identification string
>to the
>libssh client and the client bails out due to that.
>
>With the debug sshd and the SSH tunnel as established via the -L...
>command line
>last time running, what's the output of running (on the OS X client):
>
>printf "\n\n\n\n\n\n\n\n" | nc -w3 127.0.0.1 18935
>
>That should return something like "SSH-2.0-OpenSSH_6.7p1 Debian-3".
>Sorry, I cannot connect to the VPN to access my RH 7 test machine for some
>reason, so I couldn't run it against that box.
>
>If that works fine, it's likely not an connection issue per se.
>
>Please check if you have enabled any proxy setting in the Session
>Settings.
>Especially an HTTP-type proxy.
>
>Also, is Kerberos5/GSSAPI authentication turned on or off?
>
>
>
>Mihai
>



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