Firewall question

[Tyran Ormond]

Only if the machine to behind the NAT is unattended (most likely from the 
original question).

If, however, the VNC is for support of a live person at the other end, have 
them initiate the connection by using the WinVNC add client option.  First 
the viewing machine runs the VNC client in listen mode and then the serving 
machine user right clicks the server icon, selects add client and enters in 
the IP address or name of the viewing machine.  I use this regularly to 
support users, many of whom are using NAT.

On 01:38 PM 06/14/2000 -0700, it would appear that Stuart McGie wrote:
>With NAT you have to open up port 5900 for connection.
>
>Stuart
>
>-----Original Message-----
>From: owner-vnc-list "at" uk.research.att.com
>[mailto:owner-vnc-list "at" uk.research.att.com]On Behalf Of Leland V.
>Lammert
>Sent: Wednesday, June 14, 2000 1:36 PM
>To: vnc-list "at" uk.research.att.com
>Subject: Firewall question
>
>
>Hi folks,
>
>I just learned about VNC, but I cannot figure out how to get it to work with
>a firewall. I need to establish a 'viewer' session to a 'server' behind a
>NAT box. I have no problem with a connection the other way (i.e. from the
>machine behind the NAT box TO my machine here), .. but I was expecting a
>bi-directional capability somwehere, .. have I missed something (i.e. I
>would have expected to be able to 'reverse' the connection, since a call
>cannot be placed TO a machine behind the firewall)?
>
>How does one connect to a server that is behind a firewall (e.g. with an
>offnet address)?


Tyran Ormond
LAN Technician/Programmer
ormondt "at" cvwrf.state.ut.us
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