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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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SELinux can operate in three different ways: Enforcing: SELinux denies access based on SELinux policy rules, a set of guidelines that control the security engine.; Permissive: SELinux does not deny access, but denials are logged for actions that would have been denied if running in enforcing mode.; Disabled (self-explanatory).; The getenforce command displays the current mode of SELinux.
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$ getenforce Enforcing SELinux has three possible modes that you could see when running the command. They are: Enforcing - SELinux is active and enforcing its policy rules. Permissive - SELinux permits every thing, but logs the events it would normally deny in enforcing mode. Disabled - SELinux is not enforcing rules or logging anything.
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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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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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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.Its architecture strives to separate enforcement of security decisions from the security policy.
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Security Enhanced Linux (SELinux) provides an additional layer of system security. SELinux fundamentally answers the question: May
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Method # 1: Running the "ls" Command: This method is used to list down only the SELinux file contexts. You can use the "ls" command to list down the SELinux contexts in the following manner: $ ls -lZ /root You need to run this command with "sudo" privileges if you are not already logged in to a root user account.
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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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I'm following the Debian SELinux setup guide with my Linux Mint Debian Edition system. I installed the necessary packages: sudo aptitude install selinux-basics selinux-policy-default selinux-utils policycoreutils Activated SELinux and rebooted twice: sudo selinux-activate Checked the installation. No critical errors were reported:
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Introduction. 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.
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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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Table of Contents A Closer Look at AppArmor and SELinux Delving into AppArmor An In-Depth Look at SELinux Wrapping Up A Closer Look at AppArmor and SELinux AppArmor and SELinux are security tools designed to isolate applications and limit the potential damage if a part of the system is compromised.
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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.
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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 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.