IPTABLE config - I want to deploy iptables in 5.3 x86_64
I am new to RH - please point me to the basic instructions. There are so many documents I don't know where to begin.
2 machines were set upby a vendor but the second one crashed. I rebuilt the OS but would like to deploy iptables. I have the commands to add output and input chains, but it seems that after I reboot or possibly after restarting network and or linux firewall - the added chains disappear.
Please point me to documentation - or if you have any tips.
Thanks
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