Tag:Selinux

  • How to understand SELinux under Linux

    Time:2021-11-5

    catalogue 1、 SELinux introduction 2、 SELinux basic concepts 2.1 type of work 2.2 introduction to security context 3、 Tactics 4、 SELinux mode 5、 Instance 6、 SELinux log management 1、 SELinux introduction SELinux is a kernel level security mechanism. Since the Linux 2.6 kernel, SELinux has been integrated into the kernel. Because SELinux is kernel level, […]

  • Install vsftpd and configure virtual users under CentOS 6.4

    Time:2021-8-28

    1: Install vsftpd Check to see if vsftpd is installed Copy code The code is as follows: rpm -qa | grep vsftpd If not, install and set boot Copy code The code is as follows: yum -y install vsftpdchkconfig vsftpd on 2: Virtual user based configurationThe so-called virtual user doesn’t use the real account, just […]

  • Deep analysis of SELinux access control function in Linux system

    Time:2020-2-18

    SELinux (security enhanced Linux) is the implementation of mandatory access control by the National Security Administration (NSA), which is the most outstanding new security subsystem in the history of Linux. NSA developed an access control system with the help of the Linux community. Under the restriction of this access control system, a process can only […]

  • How to shut down SELinux without restarting under CentOS

    Time:2019-12-20

    To turn off SELinux: Modify SELinux = disabled in / etc / SELinux / config file, and then restart. If you do not want to restart the system, use the command setenforce 0 Note: Setenforce 1 set SELinux to enforce mode Setenforce 0 set SELinux to permission mode Add SELinux = 0 in the startup […]

  • Detailed explanation of basic concepts of SELinux

    Time:2019-7-20

    SELinux (Security Enhanced Linux), the following are three types of SELinux practical operation process sketches: Significance: Traditional Linux authority control adopts Discretionary Access Control (DAC), which decides whether it has access ability or not according to the RWX privileges of the program owner and resource. There exists the problem that root account embezzlement can use […]

  • Solution of Linux Boot Error Cannot to Load SELinux Policy

    Time:2019-6-12

    When Linux boots, it prompts unable to load SELinux policy error, which results in system inaccessibility, which is usually caused by two situations. The following section introduces the solution of unable to load SELinux policy for Linux boot. Let’s go and have a look. Scenario 1: Boot appears after modifying / etc / SELinux / […]

  • Detailed Explanation of the Problem of SELinux Blocking MongoDB Startup under CentOS 7 System

    Time:2019-5-24

    Problem Description: Recently, a problem has been found. MongoDB 3.4 is installed on the newly installed entOS 7. After mounting a large data disk, modify / etc / mongo. conf, place the log and data directories in the configuration file under the new data disk, and modify the access rights of the file. Mongo.conf: # […]

  • Security Protection Software Selinux on CentOS

    Time:2019-3-29

    Introduction to SELinux SELinux (Security-Enhanced Linux) is the implementation of mandatory access control by the National Security Agency (NSA), and is the most outstanding new security subsystem in the history of Linux. NSA has developed an access control system with the help of the Linux community. Under the restriction of this access control system, processes […]