[CentOS] Inquiry:iptables ?

On 10/31/2009 04:10 AM Tony Molloy wrote:
> On Saturday 31 October 2009 07:48:05 hadi motamedi wrote:
>> Dear All
>> To open a port , I know that I need to go to "System -> Administration ->
>> Security Level and Firewall" -> Other ports and then I can open port-5901
>> as tcp protocol . Can you please do me favor and let me know how it can be
>> done from the command line (if my CentOS is text-mode installed) ? (perhaps
>> via iptables?)
>> Let me thank you in advance
> 
> 
> Edit /etc/sysconfig/iptables
> 
> Restart iptables with service iptables restart
> 
> Tony

My /etc/sysconfig/iptables states at the top that editing of it is not
recommended.  Yeah, I don't always follow such recommendations myself,
but is there perhaps another way more in keeping with the sense of the
application?