FortiWeb-400D
Fortinet FortiWeb 400D — Fortinet FortiWeb-400D web application firewall
Lifecycle position
Options from here
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today — set a migration timeline and budget.
Low-criticality role — document the risk, harden backups, retire on your terms.
Other SKUs in FortiWeb 400D
FortiWeb-400D — questions
Is the Fortinet FortiWeb-400D still supported?
No. Fortinet's last date of support for FortiWeb-400D was Jan 2026 (per the Fortinet end-of-sale bulletin) — it is past end of service life.
When did the FortiWeb-400D reach end of sale?
FortiWeb-400D reached end of sale Jan 2021, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiWeb-400D?
Jan 2026 — per the Fortinet end-of-sale bulletin.
Can the FortiWeb-400D be maintained after Fortinet support ends?
After the last date of support, FortiWeb-400D units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.