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Rev

Could you pls add how to undo the iptables -I command? Thanks!!
– Evgeny
Commented Sep 9, 2013 at 22:52
1

"iptables -D" followed by whatever else you had after the "-I" in the original command. Basically, look up the documentation.
– cjc
Commented Sep 10, 2013 at 11:45
1

I'd highly recommend using ufw (just apt install ufw then see man ufw) it's a more user-friendly frontend for iptables.
– Nagev
Commented Jun 10, 2020 at 10:40

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