关闭防火墙
查看状态 systemctl status firewalld.service
关闭 systemctl stop firewalld.service
禁止自启 systemctl disable firewalld.service
关闭Selinux
查看 getenforce
临时关闭 setenforce 0
永久关闭
查看 sestatus
修改配置文件/etc/selinux/config(重启生效)
将SELINUX=enforcing 改为SELINUX=disabled
已开