How to disable iptables on px4-300?

Question

linux

There is a rack px4-300 and there is a need to disable iptables.
root @yellow :/# uname -a
Linux yellow 2.6.39.3 #1 SMP Mon Feb 10 16:28:09 EST 2014 x86_64 GNU/Linux Gives
the command to print rules:
iptables who? (do you need to insmod?)

Answer 1

/etc/init.d/iptables stop - not working?

Answer 2

"iptables -F" will clean up all the
iptables rules for sure? do an lsmod

Answer 3

iptables-save shows what?
The output of the cat /etc/issue command is also interesting.