selinux (file security)
Security-Enhanced Linux (Security-Enhanced Linux) referred to SELinux, it is a Linux kernel module, Linux is a security subsystem.
SELinux is mainly developed by the US National Security Agency. 2.6 and above versions of the Linux kernel have been integrated SELinux module.
SELinux structure and configuration is very complex and there are a lot of conceptual things, difficult to learn fine. Many Linux system administrators find it troublesome to regard the SELinux closed
shut down
vim /etc/selinux/config SELINUX=enforcing 改为 SELINUX=disabled
View Status
getenforce
firewalled (to prevent external attacks)
Start: systemctl start firewalld closed: systemctl stop firewalld view status: systemctl status firewalld boot disabled: systemctl disable firewalld Power On: systemctl enable firewalld