Sometimes it happens, that FortiOS is not updating it’s antivirus signatures anymore. The monitoring software, a monitoring script or a very attentive administrator is then reporting this problem to the FortiGate admin to fix it. This guide will lead you through the steps to troubleshoot this.
Zuletzt aktualisiert: 09.09.2025 / This article is also available in english language. Die schnelle Antwort: Das für Ihren Fall am besten passende. So einfach könnte man unsere Antwort zusammenfassen. Es gibt keine Version, welche wir immer empfehlen können. Ausserdem unterliegt die FortiOS Software einer ständigen Weiterentwicklung. Daher haben wir einige…
Last updated: 09.09.2025 / Von diesem Artikel ist auch eine deutsche Version verfügbar. The quick answer: the one which is most suitable for your usecase. Our answer could be summarized as simply as that. There is no version that we can always recommend. In addition, the FortiOS software is subject…
There seems to be a vulnerarbility in some FortiMail versions, that allow an unauthenticated remote attacker to access the system by requesting a password change. Please refer to the FortiGuard PSIRT article. The problem here is not only the unauthorized access to the system, but also the change of the…
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