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When Should a Business Replace Its Firewall?

How to evaluate firewall lifecycle, capacity, supportability, and security capability.

Support status

A firewall running unsupported hardware or software creates risk because security updates and vendor assistance may no longer be available.

Performance & growth

  • Internet bandwidth exceeds realistic inspected throughput.
  • VPN use has grown significantly.
  • More security services reduce available capacity.
  • The business has added users, locations, cloud services, or connected systems.

Security capability

  • Modern MFA or remote-access requirements are difficult to support.
  • The platform lacks needed threat prevention, logging, or segmentation capabilities.
  • Configuration has accumulated obsolete rules and exceptions.

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