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.
FortiGate and BGP Blackhole Routing
SEPPmail: To ensure a database snapshot is done every day, an LFT partition is mandatory.
Since the update to version 14.x, the SEPPmail admin WebGUI displays the message: “To ensure a database snapshot is done every day, an LFT partition is mandatory.” Update from 20.02.2025: SEPPmail has recently added the steps to the official documentation which can be found here: https://docs.seppmail.com/de/09_ht_lft_datadisk_v14.html
FortiGate devices without an active FortiGate Cloud subscription will be required to upgrade to the latest firmware patch within 7 days of patch GA release
In the last few days, Fortinet has sent an email message to a wide audience of FortiGate Cloud customers. The subject of the message is “Important: Upcoming FortiGate Cloud FortiGate Firmware Upgrade Policy Change” . In this article you will find the most important facts and information. The FortiGate Cloud…
CVE-2024-3596: FortiGate and Palo Alto Networks Firewall not Working with RADIUS Server Anymore after Upgrade
The problem is not limited to Fortinet or Palo Alto Networks software. Since the cause for the problem is a design flaw in the RADIUS protocol, this flaw affects most products using RADIUS for authentication or accounting.
Is Your FortiGate Under Attack?
Last updated: 05.09.2025 In this article, we want to point out some indicators used to determine if your FortiGate is under attack.
FortiGate with FortiOS 7.4: First Configuration Steps
Last update: 28. April 2026 Have a look at our guides for FortiOS 7.2, FortiOS 7.6 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 we…
FortiSwitch not Applying Configuration from FortiGate
Do you have FortiSwitches that do not accept configuration changes made on the FortiGate switch controller? Also, when you run the CLI command ‘execute switch-controller get-conn-status’, do you see the ‘flag’ with a value of ‘E’?
Remediation Steps if your FortiGate got Hacked or Attacked
Last Update: 06.02.2026 … or accessed from any unauthorized party. In some cases it’s not even necessary to hack a system to gain access to it. For example it may be enough to leak a configuration file to allow unauthorized system access. Fortunately, many cases of a suspected hack turn…
MS365 Exchange Online and SeppMail Mailflow interrupted (UntrustedRoot)
We have received several support requests regarding interrupted mailflow between Exchange Online and SeppMail appliances. The mailflow is interrupted since 07.03.2024 at 23:00 CET time. In the MS365 logs, the following error message is shown:
How to configure the FortiGate for a 3CX UC system with SIP trunk
3CX is a very widespread UC solution (phone system or also known as PBX). FortiGate is a very widespread firewall solution. Both of the products are very good in doing their thing. But to work together, a littlebit of configuration work is needed. Below you can find an example configuration…
