若不关闭,外部可能不能连接访问
1.查看防火墙状态
systemctl status firewalld
2.设置防火墙停用状态
systemctl stop firewalld
3.设置防火墙功能失效,开机自动关闭
systemctl disable firewalld

若不关闭,外部可能不能连接访问
1.查看防火墙状态
systemctl status firewalld
2.设置防火墙停用状态
systemctl stop firewalld
3.设置防火墙功能失效,开机自动关闭
systemctl disable firewalld