Operational Security Checklist ============================== Use this checklist to validate complete implementation of the Control-Plane Security Onion. Outer Layer ----------- ☐ Management interface isolated to dedicated network ☐ TMUI access restricted to approved source IP ranges ☐ Self IP Port Lockdown configured (Allow Custom on data VLANs) ☐ SSH access restricted to approved source IP ranges ☐ Firewall rules prevent internet exposure of control-plane services ☐ SNMP restricted to authorized monitoring systems Middle Layer ------------ ☐ Centralized AAA integration configured ☐ Role mapping verified ☐ MFA enforced for administrative access ☐ TLS 1.0 and 1.1 disabled ☐ Weak cipher suites removed ☐ API access restricted and monitored Core Layer ---------- ☐ RBAC roles defined and reviewed ☐ Unused accounts removed ☐ Appliance mode evaluated and enabled if appropriate ☐ Secrets protected (HSM or SecureVault as applicable) ☐ Break-glass account secured and tested ☐ Control-plane logs forwarded to SIEM ☐ Configuration backup automation verified Validation ---------- ☐ iHealth QKView uploaded ☐ No high-risk control-plane findings remain ☐ HA and ConfigSync verified functional ☐ Incident response procedures documented This checklist should be reviewed quarterly or after major configuration changes.