RE: [MLUG] VNC

[EMAIL:PROTECTED]

"Q53 Which TCP/IP ports does VNC use? 
A VNC server listens on two ports. The exact port 
numbers depend on the VNC display number, because a 
single machine may run multiple servers. The most 
important one is 59xx, where xx is the display number. 
The VNC protocol itself runs over this port. So for most 
PC servers, the port will be 5900, because they use 
display 0 by default.

In addition, VNC servers normally have a small and very 
restricted web server built in, which allows you to 
connect a browser to them and use the Java viewer. This 
runs on port 58xx. Note that this is the HTTP port used 
for downloading pages and applets, but once the applet 
is running it uses 59xx for VNC just like any other 
viewer. 

The servers can be changed to listen on other ports if, 
for any reason, these are not suitable for you. See the 
server's documentation for more details. Most of the 
viewers, if given a display number larger than 99, will 
interpret it as a direct port number and will not add 
5900. See also the next question.

If you are running a viewer in 'listening' mode, where 
it accepts connections initiated by the server, it will 
listen for incoming VNC on port 5500."

(http://www.uk.research.att.com/vnc/faq.html#q53)


Also, if you're considering using VNC remotely, as-in, 
non-LAN, check out TightVNC, it has a number of 
interesting improvements that help overall preformance 
and usability.

http://www.tightvnc.com/
> VNC uses port 5800 or was it 58000, I am not sure, but it is one of the
> two of those.
> 
> -----Original Message-----
> From: EMAIL:PROTECTED
> [mailto:EMAIL:PROTECTED] On Behalf Of Ashley Holloway
> Sent: Friday, May 03, 2002 6:24 AM
> To: EMAIL:PROTECTED
> Subject: [MLUG] VNC
> 
> 
> I've installed mandrake 8.2 at work .. and made it a vnc server .. it
> works in the lan but i can't get vnc to work to the outside ip .. i
> attempted to map a route on our cisco, but i'm not sure how to be sure
> what port vnc is going to use .. 
> 
> any ideas??
> 
> ashley 
> 
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