IPsec VPN Troubleshooting Guide for FortiGate Description Master IPsec VPN Troubleshooting on FortiGate with Phase 1 and Phase 2 checks, debug commands, packet sniffers, and step-by-step tunnel issue fixes. Scope IPsec VPN Troubleshooting on FortiGate is essential for maintaining secure … Read More
Firewall
FortiGate 7.4.2+ Upgrade: License Mistakes You’ll Regret
FortiGate 7.4.2+ Upgrade: License Mistakes You’ll Regret Description Learn how to fix FortiGate 7.4.2 License Issues, verify license status, and avoid common firmware upgrade and downgrade mistakes. Scope If you manage a firewall, you must understand recent licensing changes. From … Read More
Tags: CLI, Firewall, Firmware Upgrade, FortiGate, Fortinet, FortiOS, License, Network Security
Disable FortiGate VoIP Inspection for Better SIP Calls
Disable FortiGate VoIP Inspection for Better SIP Calls Description Learn how to Disable FortiGate VoIP Inspection using GUI and CLI to improve SIP call stability, prevent VoIP issues, and optimize firewall performance. Scope This guide explains how to Disable FortiGate … Read More
Tags: Firewall, FortiGate, FortiOS, NAT, RTP, SIP ALG, SIP troubleshooting, SIP-helper, VoIP, VoIP inspection
Simple FortiGate Admin Password Reset for FortiOS 7.2.4 +
Simple FortiGate Admin Password Reset for FortiOS 7.2.4 + Description Recover access with FortiGate Admin Password Reset methods for FortiOS 7.2.4+, including console login, config restore, and troubleshooting. Scope This article explains how to perform a FortiGate Admin Password Reset … Read More
FortiGate Dialup IPsec VPN Setup & Troubleshooting Guide
FortiGate Dialup IPsec VPN Setup & Troubleshooting Guide Description Set up and troubleshoot FortiGate Dialup IPsec VPN with step-by-step guide covering configuration, issues, and quick fixes for stable connections. Scope This guide covers: FortiGate as Dialup VPN Client (Branch) using … Read More
Tags: Dialup VPN, Firewall, FortiGate, Fortinet, IPsec VPN, Network Security, VPN Config
FortiOS Recommended Versions 2026: Stable, Secure & Latest Guide
FortiOS 2026 Recommended Versions Description Find the latest FortiOS Recommended Versions 2026 for FortiGate devices with stable, secure, and fully supported firmware for reliable network deployments. Scope This article provides general guidance on selecting the most suitable FortiOS Recommended Versions … Read More
FortiGate SSLVPN Troubleshooting Commands
FortiGate v6.4.x, v7.0.x,v7.2.x, v7.4.x, up to v7.6.2. Starting from version v7.6.3, the SSL VPN tunnel mode feature is replaced with IPsec VPN tunnel, allowing users to configure IPsec over TCP port 443 for secure communication, providing a more flexible and … Read More