Practical checklist
Firewall Migration Readiness Checklist
Questions and evidence to assemble before a firewall migration or vendor change.
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- Export and protect the current configuration
- Map interfaces and zones
- Document routing
- Map NAT rules
- Inventory VPN dependencies
- Recertify security policies
- Clean up objects and groups
- Confirm high-availability design
- Validate logging destinations
- Identify application dependencies
- Agree the downtime window
- Document rollback criteria
- Prepare validation tests
- Update diagrams and as-built records
- Plan operational support handover
A practical next step
Turn the Checklist into an Action Plan
VeritySpan can help assess the current state, prioritize risk, and define controlled remediation.