{"id":"rhel9-post-install-hardening-sequence","text":"The post-installation hardening sequence is: update system (`dnf update`) → verify/enable firewall → disable unneeded services.","truth_value":"IN","source":"repo:entries/2026/03/04/en-documentation-red_hat_enterprise_linux-9-html-security_hardening-assembly_sec.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"rhel9-post-install-hardening-sequence","truth_value":"IN","reason":"premise"}]}}