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: ...
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 ...
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 ...
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...
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...