Technical Tip: How to configure FortiGate Guest Wi...

Kush_Patel · 11-13-2025

Description This article describes the steps to configure a set of redundant GRE tunnels between FortiGate and Zscaler. The configuration allows for the forwarding of internet traffic for inspection. Scope FortiGate 7.0 and above. Solution The follow...

Kush_Patel · 11-11-2025

Description This article describes the steps to resolve the '405 Method Not Allowed' error when using the API to generate a system backup on FortiGate. The error occurs when the API request is made using the GET method, which is no longer supported i...

Kush_Patel · 08-20-2025

Description This article describes a scenario that occurs when trying to connect to the dial-up IKEv2 tunnel with a local user without MFA (Multi-Factor Authentication), where the debug output provides the error 'Not enough buffer for EAP message'. S...

Kush_Patel · 07-02-2025

Description This article provides a step-by-step guide on how to block websites containing Russian-language content using FortiGate. Scope FortiGate v7.0 and above. Solution To block access to websites containing Russian-language content on FortiGate...

Kush_Patel · 12-23-2024

Description This article describes that when renewing the Let’s Encrypt ACME certificate, the error 'Error (No order for ID 123456789012)' might be seen on the ‘Certificates’ page of FortiGate GUI. Scope FortiGate v7.0 and above. Solution The below e...

Kush_Patel · 10-17-2024

Hello, Can you try to follow this article to use external DHCP server for dial up clients : https://community.fortinet.com/t5/FortiGate/Technical-Tip-IPsec-IKEv2-with-mode-config-and-DHCP-using-the/ta-p/189831 Thank you.

Kush_Patel · 10-17-2024

Hello Aadar, If you are looking to update the IPS database, please follow this article : https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-manually-upgrade-the-IPS-Engine/ta-p/194513 Thanks.

Kush_Patel · 10-16-2024

Hello rjvilla, I tried creating a trunk and added two ports as member. Then changed the VLAN from default to the custome one without getting the error. Can you try performing the same action in a different broswer or in an incognito mode ? If it is s...

Kush_Patel · 07-23-2024

Hello mohamed_mostafa, Do you see any specific error ? if yes, can you paste it here for our review ? Can you also provide the details about SQL server ? Thanks.

Kush_Patel · 09-27-2023

Hello, this might help you. someone have mentioned the steps to follow if you can have a look at them : https://answers.microsoft.com/en-us/windows/forum/all/could-not-open-key-verify-i-have-sufficient-access/febca544-a21b-4302-bc15-81f7887df807 Than...

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Technical Tip: Configuring a failover scenario using a redundant pair of GRE tunnels between FortiGate and Zscaler

Troubleshooting Tip: Resolving '405 Method Not Allowed' Error When Generating System Backup via API on FortiGate 7.6.0+

Troubleshooting Tip: How to resolve the error ‘Not enough buffer for EAP message’ when connecting to a dial-up IKEv2 tunnel VPN with a local user

Technical Tip: How to Block Access to Websites Containing Russian-Language Content

Technical Tip: Error (No order for ID 123456789012) for ACME certificate

Re: DHCP on Android Native VPN (L2TP/IPSec PSK)

Re: IPS signatures file required

Re: Cannot change/save VLAN to 802.11ad trunk port

Re: FortiEMS installation issue with remote sql server

Re: Error trying to install FortiClient 7.2.1 on single user pc

Technical Tip: How to configure FortiGate Guest Wi...

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Technical Tip: Prevent Malicious IP addresses from...

Troubleshooting Tip: Error 'SSL-VPN slow file tran...

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