How to install openfire on VPS

I have installed openfire on virtual private server. All requirements have been installed well and I should be installed openfire correctly. I have change /etc/openfire/openfire.xml interface to my public ip, said 10.10.10.10. But it open nothing when i browse into 10.10.10.10:9090 ?

I tried to localhost with the same steps, it works well.

Anybody help me?

Does it relate to VPS provider?

Regards