TOMOYO Linux is Lightweight and Usable Mandatory Access Control with - "automatic policy configuring" feature by "LEARNING mode" - administrators friendly policy language - no need libselinux nor userland program modifications . TOMOYO Linux consists of patches to Linux kernel and administrative utilities, and this package contains its audit daemon and tools. . And this 1.7.x releases are not compatible with previous 1.6.x. So, if you want to use this version, you MUST discard previous version's settings.