Updating a firewall is often viewed as a routine maintenance task—click a button, wait a few minutes, and you’re done. However, with FortiGate devices, the firmware installation process is a bit more nuanced than your average software update.
To ensure the downloaded file is not corrupted or tampered with, verify its MD5 or SHA-256 checksum against the value provided on the download page. fortigate firmware download install
After the FortiGate reboots and you log in, do not walk away yet. Updating a firewall is often viewed as a
