[CentOS] Default CentOS(Redhat) iptables, Secure?

Kai Schaetzl wrote:
> Aleksandar Milivojevic wrote on Wed, 30 Nov 2005 09:16:34 -0600:
> 
>>marked as related by ftp helper module (-m helper --helper ftp).
> 
> Is that "helper" identical with the ip_conntrack_ftp module or is this something 
> different?

"Helper" option means that particular helper module marked the packet as 
related.  In this case that module would be ip_conntrack_ftp indeed. 
Note that the option does not trigger loading of the module.  It simply 
checks what placed packet into related state.