防火墙常用命令(Redhat)
1.启动防火墙:systemctl start firewalld
2.关闭防火墙:systemctl stop firewalld
3.查看状态: systemctl status firewalld
4.开机禁用 : systemctl disable firewalld
5.开机启用 : systemctl enable firewalld
6.重启防火墙:firewall-cmd --reload
7.查看开放端口号:firewall-cmd --list-all
8.设置开放的端口号:
sudo firewall-cmd --add-port=80/tcp --permanent (–permanent永久生效)
设置后记得要firewall-cmd --reload 一下使配置生效