Technical Tip: Security Fabric is disabled after u...

mkhabbazi · 03-17-2025

Description This article addresses the issue where WWAN/LTE connection may become unavailable following a FortiGate upgrade. Scope FortiGate-3G/4G modem v7.4.7 or v7.6.2. Solution After upgrading the FortiGate to v7.4.7 or v7.6.2, the device will try...

mkhabbazi · 01-12-2025

Description This article describes an issue where GUI debug flow does not display any output after upgrading to v7.4.6, v7.6.1 or v7.6.2. Scope FortiGate v7.4.6, v7.6.1, v7.6.2. Solution In v7.4.6, v7.6.1, and v7.6.2, the first debug flow capture wor...

mkhabbazi · 12-15-2024

Description This article explains the issue of devices with 4 GB RAM getting to conserve mode during the FortiGuard upgrade while IPS and application control are enabled on firewall policies running in v7.6.1, v7.6.2, and v7.6.3. This combination des...

mkhabbazi · 12-02-2024

Description This article describes how to resolve the 'this firmware failed signature validation' Warning while upgrading 7.6.1. Scope FortiGate v7.6.1. Solution The above warning may show when upgrading FortiGate in GUI. However, the CLI will show i...

mkhabbazi · 09-12-2024

Description This article describes an issue where the FortiGate-400F ,600F 1100E Aggregate interfaces are not being initialized correctly after upgrading to v7.0.11, v7.2.6, v7.2.5 , or v7.4.0 A notable symptom of the issue is that the LACP Aggregate...

mkhabbazi · 03-27-2025

https://docs.fortinet.com/document/forticlient/7.2.5/linux-release-notes/724621/resolved-issue 923097 Preferred DTLS Tunnel does not work. tested in 7.4.3 FCT free version Ubuntu 24

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Technical Tip: WWAN interface is Down after the Firmware Upgrade of FortiGate

Technical Tip: Debug flow utility on GUI does not display output after a firmware upgrade to v7.4.6, v7.6.1 or v7.6.2

Technical Tip: From v7.6.1 upto v7.6.3 running (<4Gb RAM) entering conserve mode when enable IPS or APP control feature

Troubleshooting Tip: Warning this firmware failed signature validation

Technical Tip: Aggregate interfaces is not stay up on FortiGate-400F/600F/1100E after upgrading to v7.0.11, v7.2.6 ,v7.2.5, v7.4.0

Re: Missing "Preffered DTLS Tunnel" in FortiClient VPN for Linux

Technical Tip: Security Fabric is disabled after u...

Technical Tip: Explaining traceroutes

Technical Tip: WWAN interface is Down after the Fi...

Troubleshooting Tip: Known issue in v7.6 for creat...

Troubleshooting Tip: Known regression in 7.6 that ...

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