Port?

[Greg Covey]

Clipped from the online docs:


"
Q. 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.

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.  It's unlikely that this will apply to you, because the publicly
distributed ORL servers don't have this facility.
"

good luck,

Greg Covey






> -----Original Message-----
> From: owner-vnc-list "at" uk.research.att.com
> [mailto:owner-vnc-list "at" uk.research.att.com]On Behalf Of Todd Jordan
> Sent: Wednesday, March 24, 1999 10:29 AM
> To: vnc-list "at" uk.research.att.com
> Subject: Port?
>
>
> I haven't seen anywhere in my reading which port a VNC server listens
> on. I really want to try using vnc from work to home, but my PC at home
> is behind a webramp (essentially a hub with dial-up networking and proxy
> capabilities) which means I'd have to have the ramp listen on the vnc
> port and pass connections through to my PC.
>
> Is there a set port(s) for all communications on VNC and, if so, which
> one, and what type (TCP/UDP, what)?
>
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