linux系统关闭防火墙
启动防火墙：systemctl start firewalld.service
关闭防火墙：systemctl stop firewalld.service
重启防火墙：systemctl restart firewalld.service
显示防火墙的状态：systemctl status firewalld.service
在开机时启用防火墙：systemctl enable firewalld.service
在开机时禁用防火墙：systemctl disable firewalld.service
查看防火墙是否开机启动：systemctl is-enabled firewalld.service
关闭防火墙：systemctl stop firewalld.service
重启防火墙：systemctl restart firewalld.service
显示防火墙的状态：systemctl status firewalld.service
在开机时启用防火墙：systemctl enable firewalld.service
在开机时禁用防火墙：systemctl disable firewalld.service
查看防火墙是否开机启动：systemctl is-enabled firewalld.service
