Raphel:
Hello! Yes, there is a product similar to NetViewer (and
its cousin, GoToMyPC) that's built to support VNC. It's called
"KaboodleProxy" and it works in conjunction with Kaboodle. With
it, two users can create a secure connection with each other and
then run VNC (or file-transfer) across the connection without
either side of the connection having to adjust their firewall/router
port-forwarding settings. You can learn more about it here:
http://www.kaboodle.org/KaboodleProxy.html
KaboodleProxy is in beta right now, but should be released
as version 1.0 this month. If you'd like to help beta-test it,
please let me know!
-Scott
> hi!
>
> i recently used netviewer (http://www.netviewer.de). this is a very
> interesting product, that allows other users to access your pc and (if
> allowed) vice versa. also copying files to the "parnter" is rally easy.
> BUT the real clue is that this also works if both pc's are behind a
> firewall (at least with most firewalls it seams to work - netviewer
> writes that on their homepage)! I guess (i'm pretty sure) that both pc's
> communicate with the netviewer's server. both use the same "registration
> number" to enable the netviewer's server to know which partners belong
> to each other...
> i haven't sniffed the packets yet and therefore i don't know anything
> about the internals of how they (netviewer) are doing this.
>
> now my question:
> - is there any existing solution that could do something simillar
> (regarding to the firewall-problem) with VNC? (assuming that i have
> access to an internet server where some kind of software may be started)
> - does anyone know how this is done exactly (in details, so it would
> be a good starting point to programm such a server myself - or at least
> some keyword for the used technology/method).
>
> please also assume that both partners do NOT have access to their
> firewalls (so port-forwarding is not possible). the firewalls both allow
> the pc from the internal network to access the internet by port 80 (and
> doesn't do any wild content scanning to check if the data really is http).
>
>
> i'm happy about any hints!
>
> thanks in advance,
> raphael
>
> p.s. what i could imagine (but i think it's to easy to be the solution):
> a server-program that runs on an internet-server. this app listens on
> port 80 and allows both pc's to connect to it. because the client
> connect, they are allowed to pass the firewall... then the server-app
> just forwards the contents of all packets received from pc1 to pc2 and
> vice versa...
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