Editing iptables on a Centos machine?

Firstly you can check your rules like so –

iptables -L

cd /home/richard

iptables-save > 08-05-2015.rules

vi 08-05-2015.rules

(add your rules)

iptables-restore < 08-05-2015.rules

services iptables save

iptables -L – You should now see your new rules.