Technical Tip: How to disable automatic firmware u...

ManpreetSingh · 08-07-2025

Description This article describes how to block intra-VLAN traffic at the FortiSwitch level and force all traffic between devices in the same VLAN to be routed through the FortiGate. This setup allows security inspection, logging, and policy enforcem...

ManpreetSingh · 07-28-2025

Description This article describes how to configure an IPsec VPN on a FortiGate firewall using an IPv6 address as the gateway, while enabling both IPv4 and IPv6 selectors for phase 2. Scope FortiGate. Solution Configure Interface with IPv6 and IPv4: ...

ManpreetSingh · 06-22-2025

Description This article explains how to verify whether a BGP prefix is being denied on reception due to a route-map applied inbound on a FortiGate. This is commonly encountered when expected prefixes are missing from the routing table. Scope FortiGa...

ManpreetSingh · 05-04-2025

Description This article explains how to use local-in policies on a FortiGate to control incoming IKE and ESP traffic. By allowing only trusted remote peers and blocking all others, it can prevent unwanted IPsec VPN negotiations. Scope FortiGate. Sol...

ManpreetSingh · 05-04-2025

Description This article explains the reason and resolution for the following warning seen in FortiAuthenticator logs when using FSSO with DC/TS Agents: DC/TS Agent [WARN]: work queue full, dropping event from x.x.x.x:53764 This message indicates tha...

ManpreetSingh · 08-15-2024

You can refer to this link https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-configure-a-Web-Application-Firewall-WAF-to/ta-p/332909

ManpreetSingh · 07-14-2024

You can refer to if you are also using Fortiauthenticator https://community.fortinet.com/t5/FortiGate/Technical-Tip-Setting-Up-Two-Factor-Authentication-2FA-for/ta-p/325709

ManpreetSingh · 06-12-2024

Hi Obul, 1. Please check if phase 2 networks are configured correctly on both end. 2. Check routes on both end 3. Check if firewall policies are configured from and to between LAN and tunnel. Refer to the document for config steps. Regards Manpreet S...

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Technical Tip: How to block intra-VLAN traffic at the FortiSwitch and route through FortiGate for inspection

Technical Tip: Configuring IPsec VPN over IPv6 and Enabling Dual-Stack (IPv4/IPv6) Phase 2 Selectors on FortiGate

Troubleshooting Tip: How to check if BGP prefix is blocked by Route-Map

Technical Tip: How to block Unwanted IKE Negotiations and unknown ESP/SPI Packets with Local-In Policy on FortiGate

Technical Tip: FSSO DC/TS Agent error 'work queue full, dropping event' observed in FortiAuthenticator

Re: FortiGate Web Application Firewall (WAF) configuration and troubleshooting

Re: Setting Up 2FA for Fortigate Administration Login

Re: Unable to reach Remote Vlan

Technical Tip: How to disable automatic firmware u...

Technical Tip: FortiGate scheduled config back-up ...

Re: Unable to reach Remote Vlan

Troubleshooting Tip: How to check if BGP prefix is...

Technical Tip: How to configure a Web Application ...

Re: Setting Up 2FA for Fortigate Administration Lo...

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