■ OS Environment : Linux[RHEL, Centos]
■ Application: vncviewer
■ Resolution :
- Please check the firewall in the linux server. Please allow the ports 5801,5901 and 6001 in the iptables or firewall.
- Then restart the firewall and try to connect to the server.
- Disable firewall.
- Make sure proper gateway is setup for all defined routes.