debian:

#使用可参考 https://www.debian.cn/archives/991

#配置文件位于 /etc/iptables

#重新配置使用dpkg-reconfigure iptables-persistent

apt install iptables-persistent

netfilter-persistent --help

netfilter-persistent save

netfilter-persistent start

netfilter-persistent reload

netfilter-persistent status

　　

centos:

yum install iptables-services

systemctl mask firewalld.service

systemctl enable iptables.service

systemctl start iptables.service