FortiGuard Servers are not reachable

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 when Daylight Saving…

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CVE-2023-27997 – FortiOS & FortiProxy – Heap buffer overflow in sslvpn pre-authentication

Please note the vulnerabilities in Fortinet products published in June. In particular, we would like to mention the vulnerability in FortiOS, which affects SSLVPN access and poses a major threat with a CVSSv3 score of 9.2. Fortinet PSIRT: https://www.fortiguard.com/psirt/FG-IR-23-097CVE: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27997 Affected are FortiOS versions 6.0 to 7.2. Fortinet has already…

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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.

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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…

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FortiGate Custom Language

If you want to use custom languages on FortiGate generated websites, like the SSL VPN page, you can add additional self-made translation files to the FortiGate. Note at the beginning: This is a new feature under FortiOS 6.4.5 . It was available before but was not working. First you need…

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