开启防火墙和开机启用防火墙
sudo systemctl start firewalld
sudo systemctl enable firewalld.service
关闭防火墙和关闭开机启动防火墙
sudo systemctl stop firewalld
sudo systemctl disable firewalld.service
开启防火墙和开机启用防火墙
sudo systemctl start firewalld
sudo systemctl enable firewalld.service
关闭防火墙和关闭开机启动防火墙
sudo systemctl stop firewalld
sudo systemctl disable firewalld.service