linux 7关闭防火墙和selinux

1.关闭防火墙 systemctl stop firewalld  2.关闭开机启动 systemctl disable firewalld  3.查看防火墙状态 systemctl status firewalld  4.临时关闭Selinux setenforce 0 5.永久关闭Selinux vim /etc/sysconfig/selinux   SELINUX=修改为disabled

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