Limited throughput on network devices is a common problem. We handle a lot of cases with thtroughput issues and have written a guide on how we recommend to start troubleshooting in such cases.
FortiGate throughput troubleshooting
FortiGuard Servers are not reachable
Last Update 24.06.2025 Update – 30. Oktober 2023: We received feedback from our partners that the issue probably occurred again today. Fortinet confirmed the issue, here is their response: Few cases have been reported to us with this issue during the weekend, this seems to be issue with Fortiguard anycast…
Top 10 FortiGate mistakes we see in our daily support life
According to this title you are expecting some click-bait content, right? Nope. We’re still the Boll Engineering Tech team here… The configuration inputs below are problems we face frequently in our daily support life. Also some of the points mentioned below are frequently asked questions that pop up during our…
CheatSheet – FortiOS v7.2
We are happy to present you the new cheat sheet for FortiOS version 7.2. Most commands have remained the same.A bigger change is that the Packet Sniffer and the Debug Flow are now also available in the WebUI under Network > Diagnostics. We wish you good luck with troubleshooting.
FortiGate VM License Troubleshooting
When you setup a new FortiGate VM, sometimes the licensing process is not working as expected. To simplify the process of licensing a FortiGate VM for you, we have created this guide. Let’s first have a look into the licensing process on the FortiGate VM, before we discuss the Troubleshooting….
Fortigate: L2TP over IPsec configuration needs to be manually updated after upgrading from 6.4.x or 7.0.x
Fortinet has added a special note in the release notes of FortiOS 7.0 as follow: Source:https://docs.fortinet.com/document/fortigate/7.0.6/fortios-release-notes/927994/l2tp-over-ipsec-configuration-needs-to-be-manually-updated-after-upgrading-from-6-4-x-or-7-0-0-to-7-0-1-and-later Unfortunately the second point does not clearly state which policy exactly needs to be changed.Here is a screenshot of the changed policy: As you can see, the policy from the l2tp client to the…
CheatSheet – PANOS 10.1
We have created a cheat sheet for Palo Alto firewalls with all important commands for troubleshooting.The cheat sheet was created for PANOS version 10.1. We have divided the cheat sheet into different sections like general commands, session debugging, service debugging and feature related debugging commands so that the needed commands…
WatchGuard Firewalls: Cyclops Blink Botnet (English Version)
According to current information, a limited number (~1%) of WatchGuard firewalls have been infected by a state-sponsored botnet called Cyclops Blink. Although there is currently no evidence of data exfiltration, it is possible that data from the firewalls has been compromised.
WatchGuard Firewalls: Cyclops Blink Botnet Befall (Deutsche Version)
Gemäss aktuellen Informationen sind eine begrenzte Anzahl (~1%) von WatchGuard Firewalls von einem staatlich gesponserten Botnet namens “Cyclops Blink” befallen worden. Obwohl es derzeit keine Beweise für eine Datenexfiltration gibt, ist es möglich, dass Daten der Firewalls kompromittiert wurden.
CheatSheet – FortiAnalyzer & FortiManager v7.0
We have created a combined CheatSheet for the FortiAnalyzer and FortiManager OS version 7.0. We have divided sections into FortiAnalyzer Logging, FortiAnalyzer Reporting and FortiManager to find the needed commands faster. CheatSheet FAZ FMGR 7.0 v1.2 We hope that this will contribute to quick solutions of existing problems.