1.查看centos防火墙得状态
[root@MiWiFi-RA67-srv ~]# systemctl status firewalld
2.暂时关闭防火墙命令
[root@MiWiFi-RA67-srv ~]# systemctl stop firewalld
3.开机关闭防火墙命令
[root@MiWiFi-RA67-srv ~]# systemctl disable firewalld
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1.查看selinxu的系统状态
[root@MiWiFi-RA67-srv ~]# getenforce
2.临时关闭selinxu命令
[root@MiWiFi-RA67-srv ~]# setenforce 0
3.永久关闭selinxu方法（修改配置文件，即可永久关闭）
[root@MiWiFi-RA67-srv ~]# vi /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled //这里改成disable
# SELINUXTYPE= can take one of three values:
# targeted - Targeted processes are protected,
# minimum - Modification of targeted policy. Only selected processes are protected.
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
