Fortigate Firmware -

diagnose debug config-error-log read If this returns text, your configuration has errors that need manual CLI remediation. Sometimes, a new firmware breaks a business-critical app. You need a rollback plan.

Remember: A misconfigured, outdated firewall is a bigger liability than no firewall at all. Set your upgrade schedule, watch the release notes for "CVSS 9.8" scores, and always keep your rollback USB drive handy. fortigate firmware

You cannot "undo" an upgrade by clicking a button. You must re-image. diagnose debug config-error-log read If this returns text,