On Saturday 17 March 2007 20:27, you wrote:
> My thought process was:
>
> If computer B (with the router) can connect to computer A by FTP, they can
> see each other!
>
> Why they cannot ping each other? The router prevents that to happen.
> (Spoofing protection)
It may be the router (if it has been set up to ignore pings) and, or it may
also be the WinXP firewall which by default ignores ICMP.
> The router is not stopping communication on port 20 and 21 (FTP port).
OK, so it has been configured to allow connections on these two ports.
> The router is not stopping communication on port 80 (HTTP port).
Ditto.
> Because Computer B can uses FTP and HTTP.
>
> Then, I figure that I will communicate on the port number 80 to make a
> test.
>
> No, it failed
Here we come back to my previous comment: do not mix and match
ports/applications/protocols. They may interact with each other in an
adverse way.
> Ok, I will try to make the server connect to the client (Default port is
> 5900).
>
> No, it failed
That's because the default port for VNC Viewer launched in listening mode is
5500, not 5900. Check this M/L and FAQs on the Real VNC website. I am sure
it is explained somewhere how to set up the server to connect to a listening
VNC Viewer.
> I will make the server connect to the client on port 80.
>
> No, it failed
As before. Also, port 80 is usually reserved for remote router
administration. Unless it has been set up to run an HTTP server (i.e.
forwarding port 80 to an IP address on the LAN) it will fail.
> Like I said before this router (Bell / Sympatico) has a locked firmware.
If you cannot alter the port forwarding set up of the router infront of the
VNC server then don't try to achieve a conventional VNC Viewer --> VNC server
connection - it will definitely fail because the router will stop incoming
connections on port 5900. Then you are left with setting up the server to
accept connections from a listening VNC viewer. As I understand it you have
to set up the current IP address of the client on the server ('accept
connections from client' setting) and open port 5500 on the client side. If
computer A is behind a router you need to set up port forwarding and also you
need to set up the WinXP firewall on the client to accept incoming
connections on 5500.
Come back with specific errors in response to your specific actions and we may
get somewhere?
--
Regards,
Mick
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