Re: No port is open after setting up a SSL VPN Cli...

jera · 11-25-2025

Description This article explains how adding source-ip can resolve the problem when a remote FortiClient user's IP address cannot be assigned via external DHCP. Scope FortiGate. Solution Topology: 10.47.5.0/20 -> WAN. 10.160.0.0/20 -> DMZ (where the ...

jera · 11-19-2025

Description This article describes the issue of creating a DHCP reservation within the same subnet. Scope FortiGate v7.4.9/v7.6.4. Solution Users may encounter an error: 'Http failure response for https:///api/v2/cmdb/system.dhcp/server/2/reserved-ad...

jera · 08-20-2025

Description This article describes how to create a wireless-only dedicated network called Tunnel Mode. The client traffic is tunneled back to the FortiGate over CAPWAP and managed centrally. Scope FortiGate v7.4.8 Solution Navigate to WiFi Controller...

jera · 05-26-2025

Description This article describes how to resolve an issue where FortiGate is unable to authorize a FortiAP connected to a Cisco Catalyst switch. Scope FortiAP, FortiGate Solution Topology: FortiAP <> Cisco Catalyst Switch <> FortiGate To manage Fort...

jera · 05-01-2025

Description This article describes how to fix the connection error 'Stronger (er) authentication required' that occurs when trying to integrate Windows Server 2025 LDAP with FortiGate. Scope FortiGate, Windows Server 2025. Solution When integrating a...

jera · 06-30-2024

Hi @sheerazali, You may refer to this article to help you determine the most appropriate release of FortiOS based on the product you have. https://community.fortinet.com/t5/FortiGate/Technical-Tip-Recommended-Release-for-FortiOS/ta-p/227178 For the k...

jera · 06-26-2024

Hello @kerryball, Can you help to share what is the exact error you got? Also, please help to share the output of the following: diagnose hardware sysinfo vm fullexe ping service.fortiguard.netexe ping update.fortiguard.net If both requirements above...

jera · 04-02-2024

Hello @Yayat1 1. Have you enabled split dns? 2. When you connect to SSLVPN, can you run nslookup to your internal domain and share the result?

jera · 03-14-2024

Hello @sagvan , Good day! It is a known issue on 7.4.2 and 7.4.3. The fix will be released on version 7.4.4. The current available workaround is to use CLI only. https://community.fortinet.com/t5/FortiGate/Troubleshooting-Tip-SD-WAN-Rules-GUI-Keep-Lo...

jera · 03-13-2024

Hi @systemgeek1 , Make sure to configure firewall policy too. You can check this administration guide on how to properly setup SSLVPN: https://docs.fortinet.com/document/fortigate/7.4.3/administration-guide/307303/ssl-vpn-split-tunnel-for-remote-user...

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Technical Tip: Role of DHCP relay source-IP on IPSEC with external DHCP server

Troubleshooting Tip: Failure to create DHCP reservation within same subnet/netmask on DHCP monitor

Technical Tip: How to setup a wireless network on FortiGate using Tunnel-Mode SSID

Troubleshooting Tip: Sample configuration to allow authorization of FortiAP connected to a Cisco Catalyst

Troubleshooting Tip: LDAP connection failed with error 'Strong(er) authentication required'

Re: FortiGate Upgrade | from v7.4.2 to v7.4.3

Re: When creating new VMs on Promox 8.x or higer , the VM license validation fails for FortiOS

Re: SSL VPN

Re: SD-WAN Rules Page Doesn't Load - 100F, Version 7.4.3