Technical Tip: Dual WAN Failover on FortiGate

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 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 dista...

rmehta · 05-23-2025

Description This article describes how to address the 'A rating error occurs' message seen in FortiGate web filtering logs. This indicates that the firewall could not retrieve a valid web category rating from FortiGuard services for certain URLs, whi...

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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