Another firewall issue
vnc "at" securitysolutionscom.com
Tue Jun 25 19:53:00 2002
Evidently the docs aren't available for download right now (getting
timeout)... can some1 send me that section, or describe how to make it
work on just port 80?
From: vnc-list-admin "at" realvnc.com [mailto:vnc-list-admin "at" realvnc.com] On
Behalf Of Beerse, Corni
Sent: Tuesday, June 25, 2002 2:51 AM
To: 'vnc-list "at" realvnc.com'
Subject: RE: Another firewall issue
> -----Original Message-----
> From: Patrick Linley [mailto:vnc "at" securitysolutionscom.com]
> I am behind a TIGHT state firewall. I got them to open up port 80 to a
> static IP that is mapped to a local IP. am I going to be able to make
> vnc work with only that one port open, or is there going to have to be
> another one opened?? And if so, can I have it use like 80
> and 21 (ports that I can trick them into opening for me).?
It is possible but kind of hard to do: The server can serve the rfb
communication at port 80, read the doc for details.
Then you need to adress the viewer to port 80. THat's harder as you need
calculate what to add to 5900 to get 80 at your machine. This depends on
your viewer machine, add (2^16 + (5900 - 80) or (2^32 + (5900 - 80) or
(2^64 + 5900 - 80). Or add or subtract 1 from the found numbers.
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