On Sat, Jul 16, 2011 at 6:47 PM, Ljubomir Ljubojevic <office at plnet.rs> wrote: > You might be interested in shorewall[1]. It has config file and > extensive documentation. You tell it what you want and all iptables are > automatically set. It also has webmin module. There are rpm's for CentOS > 5 but I think they would be OK also on the CentOS 6. > > [1]: http://www.shorewall.net/ Hadi, With all the suggestions, I believe it's enough to get you going. iptables, shorewall, webmin. All you have got to do know is to google around using those keywords, and start learning by yourself. Google has everything.