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.