SELinux


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SELinux

(Security Enhanced LINUX) A secure version of Linux originally specified by the National Security Agency (NSA) and which became standard since Version 2.6 of the Linux kernel in 2003. SELinux employs Linux Security Modules (LSM), which enables Linux to support mandatory access controls. See mandatory access control and Linux.
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The policy consists of source files used to generate the SELinux kernel policy file, a file_contexts configuration, a property_contexts configuration, a seapp_contexts configuration, and a mac_permissions.
Apparently, the SELinux security implementation on the new Android operating system version also makes rooting access more difficult than before in addition to improving protection against attacks.
Recently, they've started requiring all started services to run in their own SELinux context, instead of init.
Also, for additional security needs, customers will also be able to take advantage of multilevel security through SELinux, run-time memory protection through grsecurity and several system recovery tools.
SELinux context of some files not always being set properly
Standardized, secure 32-bit and 64-bit Red Hat Enterprise Linux images, which include cloud-specific content like creating images from a specific manifest and certificates, are secured using SELinux and firewall protections.
Its KVM also supports the SELinux, security framework, and any hardware or application certified to run with RHEL and runs directly on x86-based host hardware, while Red hat is still building the hypervisor into Red Hat Enterprise Linux (RHEL) on version 5.
Fedora 11's feature set includes substantial improvements in virtualization, including an upgraded interactive console, a redesigned virtual machine guest creation wizard and better security with SELinux support for guests.
The formula of combining proven open source security technologies like SELinux with other customizable software allowed Tresys to address the security threat in real-time.
Agreement Enables Customers to Get Additional Services from Experienced SELinux Service Provider
SELinux was developed in coordination with the open source community and the National Security Agency (NSA) to provide the highest level of security for the Linux operating system.
Repository Helps Open Source Developers Locate and Collaborate on SELinux Developments and Future Progressions of NSA-Created SELinux