CentOS 配置防火墙总结

service iptable status

service iptables restart

/sbin/iptables -I INPUT -p tcp --dport 8080 -j ACCEPT
/etc/rc.d/init.d/iptables save

/etc/init.d/iptables status

servcie iptables stop(临时关闭)
chkconfig iptables off(永久关闭)

service iptables start(临时生效)
chkconfig iptables on(永久生效)

1.firewall-cmd --state
2.systemctl list-unit-files|grep firewalld.service
3.systemctl status firewalld.service

systemctl restart firewalld.service

firewall-cmd --zone=public --add-port=80/tcp --permanent
–zone #作用域
–add-port=80/tcp #添加端口，格式为：端口/通讯协议
–permanent #永久生效，没有此参数重启后失效

firewall-cmd --list-ports

systemctl stop firewalld.service(临时关闭)
systemctl disable firewalld.service(永久禁用)

systemctl start firewalld.service