Fortinet completely ceases support for the software branch. No further security patches or vulnerability assessments are performed. Running EOS/EOL firmware leaves an enterprise vulnerable to unpatched exploits and compliance failures. Conclusion
Check the section to ensure traffic is still being inspected and passed. Final Pro-Tip
The simplest method for a single FortiGate:
During a firmware upgrade, the SSL deep inspection certificate usually persists. However, it is essential to ensure the Fortinet_CA_SSL certificate is correctly present to avoid SSL browsing issues post-upgrade.
Indicates the firmware is relatively new. It contains the latest engineering additions but may possess undiscovered bugs.
Always download a current configuration backup via System > Settings before updating.
Before you click "Update," follow this professional workflow:
: Log into your FortiGate and go to Dashboard > Status (or the top right user icon) and select Backup to save your current configuration file locally .
To stay ahead of emerging threats:
where reliability is paramount. They primarily include bug fixes and vulnerability patches. Feature (F) : These versions introduce new capabilities
and are best suited for lab testing or edge cases requiring the latest features. Special Technical Support (STS)