AppArmor & SELinux Explained

AppArmor and SELinux put a mandatory policy in the kernel, underneath the normal Unix permissions every admin already knows. They are quietly excellent — right up to the moment someone flips a process into complain mode, sets the box permissive “just to test,” or pastes an over-broad audit2allow rule. Then the guard is still standing at the door, badge on, writing nothing down.

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