{"id":"rhel9-service-firewall-port-matrix","text":"RHEL 9 infrastructure services require a coordinated set of firewall port openings: Cockpit web console (TCP 9090), HA cluster (TCP 2224/3121, UDP 5405), Tang NBDE server (TCP 80), databases (TCP 3306/5432), and IdM DNS (TCP/UDP 53).","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"rhel9-service-firewall-port-matrix","truth_value":"IN","reason":"premise"}]}}