Understanding SELinux or Security Enhanced Linux

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Security-Enhanced Linux (SELinux) is a security architecture for Linux® systems that allows administrators to have more control over who can access the system. It was originally developed by the United States National Security Agency (NSA) as a series of patches to the Linux kernel using Linux Security Modules (LSM).

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by WharfRat » Sat Nov 05, 2016 1:55 am Hello azzkikr and welcome to the LM forum I see you're interested in selinux. Before installing selinux on your Mint system, I would suggest experimenting with it in a virtual machine. If you place selinux in enforcing mode right off the bat, you will near cripple your system.

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niubboxp SELinux by niubboxp » Fri Jan 06, 2017 12:35 am i've read some wiki's about it, i've understood it add some security to linux system using a strictly permission on files and folders, but i dont have undestood for which situation is better than a distro without selinux enabled

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It stands for Security-Enhanced Linux, a set of kernel modifications, patches, tools that separates the security decision security policy. In simpler terms, the control of access to security policies including Mandatory Access Control (MAC) away from the security policies itself. What Is SELinux? I will define these terms in a simpler way now.

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As a devoted advocate of Linux Mint, I nonetheless struggle to justify why it is that Mint uses Apparmor instead of SELinux. A friend, who long ago became galvanised on Fedora (and who currently runs Fed 25 invariably on an early release candidate kernel) outright refuses to take Mint seriously because he knows as well as I do that Apparmor is liable to path related attack vectors whereas.

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Step 3: Configuring SELinux and Firewalld. In preparation to configure /finance as a Samba share, we will need to either disable SELinux or set the proper boolean and security context values as follows (otherwise, SELinux will prevent clients from accessing the share):

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What the hell is Apparmor? 0 No votes Screw MAC I stick with DAC! 0 No votes Total votes: 2 osmosys Enabling Selinux in Mint 13 by osmosys » Sun Aug 12, 2012 8:18 am Info about my machine: uname -r Code: Select all 3.2.-23-generic wmctrl -m (window manager checker) Code: Select all [b]Name: muffin [/b] Class: N/A PID: N/A So I installed selinux:

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SELinux ("Security-Enhanced Linux") is a robust security framework within some Linux distributions like Fedora, which utilizes security contexts to enforce fine-grained access controls and protect system resources, such as files, from unauthorized access and potential threats.These security contexts are a vital concept. Think of a security context as a digital ID for files that consists of.

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What is SELinux SELinux is a security enhancement to Linux which allows users and administrators more control over access control. Access can be constrained on such variables as which users and applications can access which resources. These resources may take the form of files.

Understanding SELinux or Security Enhanced Linux

Similarly, to disable or turn off above SELinux boolean value, run the following command. # setsebool allow_httpd_sys_script_anon_write off # setsebool allow_mount_anyfile off OR # setsebool allow_httpd_sys_script_anon_write 0 # setsebool allow_mount_anyfile 0. You can find the meaning of all the SELinux booleans at https://wiki.centos.org.