Limiting the Remote View

Adrian Umpleby a.umpleby "at" ic.ac.uk
Fri, 22 Mar 2002 16:18:03 +0000


On Friday, March 22, 2002, at 03:23 PM, Marc Bertone wrote:

> I was wondering if there is some way to limit the remote view when 
> someone
> connects via their browser.  For example, could I only allow the remote
> client to see my IE window, foremost window, CMD console, etc?  
> Basically, I
> would like to selectively share only a part of my desktop while the rest
> would remain hidden to the (view only) viewer.

One possible (rather wierd and wasteful of screen real-estate) way to do 
this,
if the region of the screen you want to show does not move, is to go 
through a
secondary vnc server. (Perhaps an Xvnc server would be best, so it does 
not use
up another real screen.)

What you would do is have a vncviewer open on the intermediate box, 
showing
the whole screen of your first Windows machine. Then open up some other 
blank
windows and obscure the parts of the view you don't want seen. You can 
then
advertise this second machine as the one which others connect to.

i.e:

+--------+           +-------------+
|        |           |  +--------+ |
| MS Win |--WinVNC---+->|VNCviewr| |--Xvnc?-->  View-only viewer
|        |           |+-----------+|
+--------+           || obscurer  ||
                      |+-----------+|
                      +-------------+

Get the idea? (Hey, I did say it was weird...)

Adrian
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