Can't connect to vncserver on Ubuntu Breezy box

[John DeCarlo]

On 12/5/05, Kort, Eric <Eric.Kort at vai.org> wrote:
>
> Hello...I am running vncserver on my Ubuntu Linux box (fresh install,
> Breezy Badger), and trying to connect to it from my windows XP box, but
> have not been able to (I can connect to other linux and windows-based
> VNC servers from this box on my network).  I am also not able to connect
> to this server from other Linux boxes.
>
> I CAN connect to this server from the localhost.  From my windows box,
> however, I do not even get a log-in prompt.  Vncviewer 3.x states
> "Failed to connect to server" and vncviewer 4 (set to use only 3.3
> protocol) states "unable to connect to host: Connection refused
> (10061)".  I can find no trace of VNC errors in the system log.


>>Are you sure the VNC Server is running?
>YES.  telnet-ing my vncserver on port 5900 yields response of RFB
>003.003


It sounds to me as though your firewall is blocking the VNC ports.

VNC uses 5901 for VNC 1 and 5907 for VNC 7.

What VNC port have you set up with vncserver and have you tried to see if
you can telnet to that port from an outside box?

What do you get when you run
sudo /sbin/iptables --list


--
John DeCarlo, My Views Are My Own
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20051205/8243bc7c/attachment.html>