Introduction Over the past few FortiOS releases, Fortinet has gradually restricted SSL VPN functionality and completely removed it from certain FortiGate models. The following models and firmware versions are affected:
UPDATE 16.30 CET: Cloudflare has resolved the issue. All workarounds can now be disabled, as they are no longer needed. The root cause has not yet been published. ERR_TIMED_OUT and ERR_EMPTY_RESPONSE being observed by Cloudflare Customers
Last Update: 26.10.2026, 09:25 CET At the 22nd of October 2026, Fortinet has released critical out-of-band security updates for FortiMail and FortiAuthenticator, with coordinated updates for FortiOS, FortiManager, and FortiAnalyzer. Fortinet recommended to upgrade immediately.
Last update: 28. April 2026 Have a look at our guides for FortiOS 7.2, FortiOS 7.4 and FortiOS 7.6. In our daily support work we often see FortiGates in use on which the basic settings like time zone, host name and so on have never been set correctly. Therefore we…
Last update: 28. April 2026 Have a look at our guides for FortiOS 7.2 and FortiOS 7.4 and FortiOS 8.0. In our daily support work we often see FortiGates in use on which the basic settings like time zone, host name and so on have never been set correctly. Therefore…
Right at the start of the year, we’re also releasing the new cheat sheet for FortiOS version 7.6! If you have an idea for the cheat sheet, please let us know in the comments.We wish you good luck with troubleshooting.
Fortinet has officially transitioned FortiOS 7.6 into the “Mature” phase with the release of FortiOS 7.6.5. For many administrators, this is the green light to begin upgrading production environments. However, this release isn’t just about bug fixes, it introduces several mandatory enforcement measures designed to harden security. If you are…
We encountered an interesting — and quite disruptive — behavior in a High Availability (HA) setup. Situation Overview When restoring a configuration on one cluster node, the entire configuration of the other nodes was overwritten — including settings that are supposed to remain unique and unsynced, such as hostnames, management…
Last Update: 31.12.2025 Spoiler alert: Current FortiOS versions do not allow BGP blackhole routing out of the box. But we have two possible workarounds ready for you.
Last updated: 05.09.2025 In this article, we want to point out some indicators used to determine if your FortiGate is under attack.
