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Red Hat Certified System Administrator EX200 (RHEL 10) · Domain 10: Manage security

Diagnosing routine SELinux denials: /var/log/audit/audit.log, ausearch -m AVC, sealert

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Last reviewed September 25, 2026 · Leer en español

When SELinux blocks something, the application usually reports only a vague error such as permission denied or 403 Forbidden. The real explanation is in the audit log. Troubleshooting SELinux is a routine: confirm SELinux is involved, find the denial, understand which label, port or boolean is wrong, and fix that specific thing.

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