Install your NO-IP on windows and port-forward your centos IP with game server/ login server port in your router.
example forward to 192.168.2.5 TCP/UDP port 9999 (Example game/login port)
It will work.
This is a discussion on How to install DynamicDNS on CentOS? within the Cabal Online forums, part of the MMO and MMORPG Developments category; Can someone help me about, How to install DynamicDNS (No-IP) on CentOS? PLS, Because, My wan IP is random. And ...
Install your NO-IP on windows and port-forward your centos IP with game server/ login server port in your router.
example forward to 192.168.2.5 TCP/UDP port 9999 (Example game/login port)
It will work.
you can set it up thru your router or modem, as long as it has a dyndns service/system.
or as izzani85 suggested install your dynamic dns client thru your local OS.
Thank You very much, I'am try now.