Win2k, OpenSSH, WinVNC (was: "No Subject") It Works!

[Dale Wray]

At 06:39 PM 7/23/2002, you wrote:
>Dale:
>         Heya. I've some quick questions and suggestions about
>your setup:
>
> > I have: A win2000 box, diamond 192.168.0.1, running openssh 3.4p1 under
> > cygwin, and winVNC 3.3.3 R9, both running as a service.
> >
> > I can ssh OR VNC from another win200 box, amethyst 192.168.0.14; or a mac
> > OSX (10.0.3) 192.168.0.3 named OSX to diamond.
> >
> > From amethyst (I know it much better than the mac) I connect using either
> >
> > SSH.com's client
> >
> > Tunneling:
> > Name                            VNC
> > Listening Port                  5911
> > Dest Host                       192.168.0.1
> > Dest Port                       5910
> > Allow Local Connection  Either Yes or No
>
>         This looks to me like it's going to open port 5911 on your
>client machine (amethyst), tunneling all the data there to port
>5910 on 192.168.0.1 (diamond).
>
> > cygwin/openssh using
> >
> > ssh -C -L 5910:192.168.0.1:5911 username "at" 192.168.0.1
>
>         This, on the other hand, is going to open port 5910 on
>your client machine, and tunnel data to port 5911 on 192.168.0.1
>after it connects to "username "at" 192.168.0.1".
>
>         So...is WinVNC on diamond listening to display 10 (5910)
>or display 11 (5911)?



There would be the trouble. Would you belive 5901? I was getting errors 
about 5901 being used, hence the switch to 5910. I forgot to change the VNC 
server, or the change didn't 'stick'.


> > and it connects fine.  However with the vncclient 'localhost:11' I just
> > hang doing nothing.
>
>         After you start the SSH tunnel on amethyst, what do you
>see when you "telnet 192.168.0.14 5910"? Do you see the RFB response
>from the VNC service on diamond? How about if you "telnet 127.0.0.1
>5910"? Whichever works, try pointing your VNC viewer on amethyst
>to the same IP address.

This works after the server listening switch.


>         Lastly, try giving this a whirl. Presuming that WinVNC is
>running on diamond listening to port 5910, start SSH on amethyst:
>
>         ssh -C -L 5910:127.0.0.1:5910 username "at" 192.168.0.1

Guess what, this one does too!


>         Since your WinVNC server is setup to AllowLoopback, this
>should work for you. Good luck!

Now, I just need to try it from outside my local network. Thanks so much 
for the help.

-Dale

>-Scott
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Dale Wray
dwray "at" indiana.edu