selinux-knowledge-patch
SELinux Knowledge Patch
Covers SELinux policy development features added after Claude's training cutoff.
Baseline knowledge: SELinux modes (enforcing/permissive/disabled), security contexts (user:role:type:level), booleans (setsebool/getsebool), basic policy management (semanage, semodule, restorecon), and audit2allow.
Quick Reference: CIL vs Kernel Policy Language
CIL (Common Intermediate Language) replaces M4-based .te/.if/.fc policy modules with S-expression syntax:
| Kernel Policy | CIL Equivalent | Notes |
|---|---|---|
attribute |
typeattribute |
Declares a type attribute |
typeattribute |
typeattributeset |
Assigns types to an attribute |
attribute_role |
roleattribute |
Declares a role attribute |
allow |
allow |
Same syntax, S-expression form |
module / require |
block / blockinherit |
Namespacing replaces module system |
CIL eliminates M4 macro dependency and module load-ordering requirements.
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