How to find IPtables (I can't restart iptables without a reboot)

I've inherited a Fedora Core 3 machine that acts as our firewall. I simply edit:
/etc/iptables/filter.sh
or
/etc/iptables/nat.sh
and put in any rules I'd like to change.

The problem is that typing:
service iptables restart

doesn't really do anything. Service iptables anything then service iptables status returns that Iptables is stopped.

My guess is that there are a couple copies of iptables on the box, and it's an alternative one thats running. Any ideas on how to track down the location of the iptables that are running, to that I can restart the service without doing a reboot?

more info:

[root@FWLHQ001 ~]# whereis iptables
iptables: /sbin/iptables /etc/iptables /lib/iptables /usr/share/man/man8/iptables.8.gz

 

 

 

 

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