Hi Mahmood,

The most common problem I have is due to iptables blocking the vnc port. The easiest way to check if that is the problem is by trying to telnet to the appropriate port (ie :0 is 5900 :1 is 5901 ...) If it works from localhost but not from a remote it is iptables or another firewall.

Joe

On 03/05/2013 07:06 AM, Mahmood Naderan wrote:
Hi,
I have installed vncserver on SL6.3 and followed this guide

http://vjetnamnet.com/how-to-setup-vnc-server-on-centos-6-3/


However when I try to connect from windows, I get

"connection timed out" message.

I searched a lot to diagnose vnc server. However I didn't
find a step by step guide. What should I check in order to

be sure that vnc server is working properly.

Regards,
Mahmood

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