Technical Tip: Dual WAN Failover on FortiGate

rmehta · 12-18-2025

Description This article describes a scenario where a FortiGate fails to locate or validate a FortiToken Mobile or FortiToken Cloud during user assignment. When this occurs, FortiGate displays the error 'No valid token found' or error -7567, preventi...

rmehta · 10-24-2025

Description This article explains how FortiGate handles TCP half-close sessions and the related session timers, including how to view, tune, and troubleshoot them. Understanding these timers is critical for maintaining optimal session handling and av...

rmehta · 08-08-2025

Description This article describes how the FortiClient SSL-VPN allows remote users to securely connect to internal resources of the FortiGate's network. Scope FortiGate v7.0 and above. Solution Step 1: Make sure to have LAN Access via VPN. Reach the ...

rmehta · 07-30-2025

Description This article describes how to import a URL list into a web category locally on FortiGate without adding each URL manually. Scope FortiGate v7.0 and above. Solution To import a URL list into a web category locally on FortiGate without addi...

rmehta · 06-23-2025

Description This article describes why WAN1 should be used by default. Perform a failover to WAN2 only if WAN1 goes down. Scope FortiGate v7.0 and above. Solution Prioritize WAN1 with Route Distance. If WAN1 and WAN2 use DHCP/PPPoE, set different dis...

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Troubleshooting Tip: FortiToken exists in cloud but cannot be assigned

Technical Tip: FortiGate Session Timers, Handling TCP Half-Closed Connections

Technical Tip: Using FortiClient VPN for secure FortiGate Web Interface Access

Technical Tip: Import URL list into a Web Filter category