Troubleshoot DNS rating error occurs (no available...

navellano · 09-19-2023

Description This article describes how to configure an IPsec VPN tunnel to connect branch offices 1 and 2 via a connection between them. Scope FortiGate v6.0 and later. Solution Diagram: The following is the IP address information of all FortiGates: ...

navellano · 07-14-2023

Description This article describes how to perform firmware upgrade on an individual 7.2 or higher device by following the upgrade path (federated update). FortiGate can adhere to the upgrade path to carry out the upgrade automatically when upgrading ...

navellano · 05-10-2023

Description This article explains how to resolve 'ERR_CONNECTION_REFUSED' errors when FortiGate cannot be accessed via the GUI or web browser. Scope FortiGate v6.2.x and upper. Solution The problem usually arises after a firmware upgrade: Follow the ...

navellano · 09-26-2022

Description This article describes the basic troubleshooting when a DNS rating error is encountered (no available FortiGuard SDNS servers). Scope FortiOS firmware 6.0 and above. Solution SDNS servers are DNS servers used by DNS filter profiles. The D...

navellano · 09-25-2022

Description This article describes the basic configurations for enabling DNS over HTTPS/443 (DoH) for local-out DNS queries. Scope FortiOS firmware 7.0 onwards. Solution New option is added to DNS Profile, forcing DNS over HTTPS/443 for added securit...

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Technical Tip: Establish connection between two different branches through IPsec VPN tunnel

Technical Tips: Firmware upgrade for FortiOS firmware 7.2 and later via the upgrade path (federated update)

Troubleshooting Tip: Error 'ERR_CONNECTION_REFUSED' is received while attempting to access FortiGate via a GUI or web browser

Troubleshoot DNS rating error occurs (no available FortiGuard SDNS servers)

Technical Tip: DNS over HTTPS/443 configuration

Troubleshoot DNS rating error occurs (no available...

Technical Tip: DNS over HTTPS/443 configuration

Technical Tip: Establish connection between two di...

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