iptables-save > /etc/iptables/rules.v4
Or install iptables-persistent
if you’re on a Debian-derivative system.
iptables-save > /etc/iptables/rules.v4
Or install iptables-persistent
if you’re on a Debian-derivative system.
Maybe iptables-persistent would work for you?
Or if you use something like UFW you can add whatever iptables rules you like to /etc/ufw/after.rules.
Set up a systemd service.
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