REPORT TO THE LIST.
A quick sumary of my problem:
I was trying to connect with SSH and VNC between two Linux PCs through the
Internet. The SSH portion seemed to work fine. I was using the port
forwarding feature as follow:
ssh -L 5910:remoteIP:5901 remoteIP
I was validated correctly by SSH.
On another command windows, I was trying to do this:
vncviewer localhost:10
Just to be kicked out. On RemoteIP, I was getting the error message
"channel_open_failure:2 reason 1: bla bla"
I have been banging my head on the wall with this one and, although a lot of
help was provided through the list, I could find nothing wrong with the way I
was doing it.
THEN, A SOLUTION:
I noticed that RemoteIP /var/log/messages had entries stating that SSHD had a
"Bad protocol version identification 'quit '"
I read some more on this and found a SSHD option -V to disable the version
identification negotiation. I could not find examples of this though so I did
not pursue it.
Instead, I changed the sshd_config file to force SSH version 1 on RemoteIP and
ssh_config to use only SSH version 1 on my localIP. Both files were configured
to use version 2 and then version 1 (Protocol 2,1).
Using the "Protocol 1" entry fixed the problem and everyting worked like a charm
from this point on. Although both setups of SSH seemed to be identical,
something was different enough to prevent a succesfull negotiation of the
protocol version identification when port forwarding was used.
I am now using SSH version 1, which is better than nothing.
I tried to force SSH version 2 but got a "secure connection to remoteIP
refused."
I must have a problem on one end with the SSH version 2. The server end
(remoteIP) was installed separately on Mandrake 6.2 while the workstation end
(localIP) came pre-installed with RedHat 7.0. I must have missed a step
somewhere in installing SSH on Mandrake 6.2.
The rest of the problem rests with SSH.
Thanks for all the help provided by the vnc-list members.
Serge.
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