关闭防火墙 systemctl stop firewalld
查看防火墙状态 systemctl status firewalld
永久关闭防火墙命令。重启后，防火墙不会自动启动。systemctl disable firewalld
打开防火墙命令 systemctl enable firewalld
关闭防火墙 systemctl stop firewalld
查看防火墙状态 systemctl status firewalld
永久关闭防火墙命令。重启后，防火墙不会自动启动。systemctl disable firewalld
打开防火墙命令 systemctl enable firewalld