1. Is also sometimes referred to as simply SELinux. The results of several previous research projects by the National Security Agency have been incorporated in a security-enhanced Linux system. This version of Linux has a strong, flexible mandatory access control architecture incorporated into the major subsystems of the kernel. The system provides a mechanism to enforce the separation of information based on confidentiality and integrity requirements. This allows threats of tampering and bypassing of application security mechanisms to be addressed and enables the confinement of damage that can be caused by malicious or flawed applications. Version 2003040708 was released April 7, 2003. A 'secured' distribution. From LWN Distribution List