Fajar Priyanto wrote: > On Saturday 24 May 2008 10:25:41 Robert Spangler wrote: >> On Friday 23 May 2008 21:31, Fajar Priyanto wrote: >>> Actually I have written a small tutorial on iptables, but I haven't >>> translated it into english. I'll let you know when it's done. Hopefully >>> it will be useful for others. >> Please have someone, or for that matter a few people, who have a good >> understanding of firewalls look over your tutorial before it is published. >> While you show a basic understanding of how firewalls work you lack the >> knowledge of true security. Just my observation. > > You observation is most welcome, Robert. By all mean, I'm surely not an > expert. Just someone who wants to help other by guiding a little 1 or 2 tiny > steps along the great jungle of Linux knowledge. Everyday is a lesson for me. > So, if you please, I really want to know what true security is. > Thank you. > > Fajar, There is already an iptables tutorial on the Wiki: http://wiki.centos.org/HowTos/Network/IPTables Rather than reinventing the wheel, perhaps you would like to take a look at that and consider contributing and/or helping to improve it if you see areas that you consider are weak. Regards, Ned