Using VNC Reflector for handling NAT traversal (was: Re: Getting behind the NAT)

[Tardis-2]

Hello all,

I am new to this list, and just saw this topic on the archives while
searching for information about NAT traversal with VNC and the proposed
solutions (I copied the last replies for reference and truncated the
rest to save bandwidth).

I am new also to Tight VNC, in fact.

Is it possible to install VNC Reflector on a machine outside the
fiirewall, acting as a proxy forwarding the data from a VNC server
inside the firewall, and have the clients connect to the proxy from the
Internet transparently ?

What I would like to do is set the proxy to wait for one or more VNC
server connexions, and serve these connexions to the clients having the
appropriate credentials for the end VNC server.

I am not sure if that is possible according to what I read in the README
file for VNC Reflector, but that is still obscur to me.

I guess I need someone to enlighten my path :-) I would welcome any
advice, or pointers to more detailed documentation or Howtos involving
VNC Reflector and Tight VNC. I did not see a mailing list for VNC
Reflector. If there is one, feel free to point me to its subscription
details.

Thanks in advance !


Tardis

> Subject:    Re: Getting behind the NAT
> Group:    Vnc-tight-list
> From:    john s wolter
> Date:    9 Oct 2009
>
> James,
>
> Double cool. I'll give it a try and report the result.
>
> John S. Wolter President
> Wolter Works
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>
> On Thu, Oct 8, 2009 at 8:12 PM, James Buzzard <james>wrote:
>
> > Hi to you both,
> >
> > I have similar problems, but I have found by using the listening server
> > option, I can mitigate the problems.
> >
> > Essentially, I have my business network public ip mapped to a domain
> name
> > suffix - vnc.whatever.com .
> >
> > I have two viewers within the home network, on different ports.
> >
> > When a client has installed tightvnc, they then go to the service
> icon in
> > the start bar, and right click, and "add new client". Then they
> simply type
> > in my address "vnc.whatever.com" followed by the port that I need
> them to
> > use "vnc.whatever.com::5800". That way I don't have to config any
> routers
> > or anything.
> >
> > The alternative is to use a third party server to connect the client
> with
> > the viewer. The one which supports tightvnc directly is
> > http://www.helpbeam.com/
> >

(...)

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[Constantin Kaplinsky]

Hello Tardis,

>>>>> Tardis wrote:

> Is it possible to install VNC Reflector on a machine outside the
> fiirewall, acting as a proxy forwarding the data from a VNC server
> inside the firewall, and have the clients connect to the proxy from the
> Internet transparently ?

Probably yes, but VNC Reflector is probably not the best solution.
Currently, it supports only RFB 3.3 protocol, does not support cursor
updates etc. In other words, certain TightVNC protocol improvements will
not work via VNC Reflector.

Normally, it's better to use SSH port forwarding or configure port
forwarding on a router.

--
With Best Wishes,
Constantin

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developing skills, take BlackBerry mobile applications to market and stay
ahead of the curve. Join us from November 9 - 12, 2009. Register now!
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