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Knowledge Base & Operational DocumentationHow to Review Cybersecurity Before Replacing a Business Firewall
A firewall replacement can preserve connectivity while losing security rules, VPN settings, logging, or network segmentation. A rushed cutover can also leave temporary broad rules in place.
What to check
Inventory current policies, VPN and remote access, public services, logging destinations, admin accounts, firmware support, and required application flows. Identify rules with unclear owners and confirm backup configuration is restorable.
Recommended next step
Build and review a rule migration, test key business paths, and use a time-bounded cutover plan with rollback. Remove temporary exceptions and verify logs and remote access after deployment.
How Informatix Systems can help
Informatix Systems provides business cybersecurity and network security services. We can assess the affected environment, trace the problem through its dependencies, and help plan a practical improvement. Contact us with the system involved, when the issue began, and non-sensitive error details.