linux 7關閉防火牆和selinux

1.關閉防火牆 systemctl stop firewalld  2.關閉開機啓動 systemctl disable firewalld  3.查看防火牆狀態 systemctl status firewalld  4.臨時關閉Selinux setenforce 0 5.永久關閉Selinux vim /etc/sysconfig/selinux   SELINUX=修改爲disabled

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