iptables-restore

System administration command. Restore firewall rules from information provided on standard input. iptables-restore takes commands generated by iptables-save and uses them to restore the firewall rules for each chain.
This is often used by initialization scripts to restore firewall settings on boot.

Options

-c, --counters

Restore packet and byte counter values.

-n, --noflush

Don't delete previous table contents.