[CentOS] IPTables help

Sat May 24 08:57:51 UTC 2008
Ned Slider <ned at unixmail.co.uk>

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.

There is already an iptables tutorial on the Wiki:


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.