
What is SELinux (Security-Enhanced Linux)? - Red Hat
Aug 30, 2019 · SELinux defines access controls for the applications, processes, and files on a system. It uses security policies, which are a set of rules that tell SELinux what can or can’t be accessed, to enforce the access allowed by a policy.
Security-Enhanced Linux - Wikipedia
Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls (MAC). SELinux is a set of kernel modifications and user-space tools that have been added to various Linux distributions.
What is SELinux? - GeeksforGeeks
May 31, 2024 · SELinux is a special security system built into Linux computers. SELinux was created by the U.S National Security Agency and Red Hat company. The main purpose of the SELinux is to control what different programs and users are allowed to access on the computer. It does this by setting the strict rules.
Chapter 1. Getting started with SELinux - Red Hat
Security Enhanced Linux (SELinux) provides an additional layer of system security. SELinux fundamentally answers the question: May <subject> do <action> to <object>?, for example: May a web server access files in users' home directories?
SELinux User's and Administrator's Guide - Red Hat
Feb 24, 2008 · Security Enhanced Linux (SELinux) provides an additional layer of system security. SELinux fundamentally answers the question: "May <subject> do <action> to <object>", for example: "May a web server access files in users' home directories?".
Introduction to SELinux concepts and management - LinuxConfig
Jun 19, 2017 · SELinux (Security Enhanced Linux) is an implementation of a Mandatory Access Control permission system (MAC) in the Linux kernel. This type of access control differs from Discretionary Access Control systems (DAC) like ACLs and standard unix ugo/rwx permissions, in how the access to a resource is provided.
Using SELinux | Red Hat Product Documentation
By configuring SELinux, you can enhance your system’s security. SELinux is an implementation of Mandatory Access Control (MAC), and provides an additional layer of security. The SELinux policy defines how users and processes can interact with the files on the system.
SELinux - ArchWiki
Security-Enhanced Linux (SELinux) is a Linux feature that provides a variety of security policies, including U.S. Department of Defense style Mandatory Access Control (MAC), through the use of Linux Security Modules (LSM) in the Linux kernel.
Understanding and Configuring SELinux - Linux Bash
Mar 5, 2025 · Security-Enhanced Linux (SELinux) is a mandatory access control (MAC) security mechanism implemented in the Linux kernel. It is designed to enhance the security of Linux systems by allowing administrators to have more control over who can access the system.
SELinux Explained: Why You Need It and How to Set It Up
Oct 13, 2024 · SELinux stands for Security-Enhanced Linux. It’s a security architecture integrated into the Linux kernel that provides mechanisms to enforce the separation of information based on confidentiality and integrity requirements.