[4.9-R] Ip forwarding for internal VNC.

Ceri Davies setantae at submonkey.net
Fri Dec 19 11:26:29 PST 2003

On Fri, Dec 19, 2003 at 09:12:22PM +0200, jaco at premsoft.co.za wrote:
> Hi everybody,
> I have the following setup:
> FreeBSD Server (4.9-R)
>  2 NIC's
>  [xl0,Public Range IP, 196.xx.xx.xx]
>  [xl1,Private Range IP,]
> Windows 2k server
>  [Private IP,]
> The Windows 2000 server is running VNC and is serving as
> an application server for windows software that is not-so-stable on
> FreeBSD. :P (The windows machine is not connected directly to the
> Internet for obvious reasons ;) )
> What I want: I want to be able to connect to the VNC service
> running on the Windows machine, via the Internet.
> Is it possible to set up port forwarding so that if I connect
> to the FreeBSD machine on port 5800, the request be forwarded
> to the Windows machine on port 5800? Do I need to set up the
> FreeBSD machine in any specific way to accomplish this setup?

Don't do that.
Use ssh port forwarding; that way the tunnel only exists when you want
it to, and you will be the only person who can use it.

Check the ssh manpage for details; see the -L option.



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