[CentOS] centos firewall?

Hi,

>>>> How do I add 5900 to the centos firewall? How do I edit the conf
>>>> file?
>>
>>> You can get into a FW cfg screen (sort of gui - ncurses I beleive)  
>>> by
>>> running:
>>>
>>> # setup
>>
>> Hmm, after ssh'ing in, I run setup and nothing. a 'locate' turns up
>> nothing either..
> ----
> yum install system-config-network-tui
> system-config-network-tui

This just lets you change UP/DNS info if I recall.

Wont do anything to the firewall.

-Jason