46.1.1. Modular Policy

46.1.1. Modular Policy

Red Hat Enterprise Linux introduces the concept of modular policy. This allows vendors to ship SELinux policy separately from the operating system policy. It also allows administrators to make local changes to policy without worrying about the next policy install. The most important command that was added was semodule.

semodule is the tool used to manage SELinux policy modules, including installing, upgrading, listing and removing modules. You can also use semodule to force a rebuild of policy from the module store and/or to force a reload of policy without performing any other transaction. semodule acts on module packages created by semodule_package. Conventionally, these files have a .pp suffix (policy package), although this is not mandated in any way.


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