Troubleshooting Tip: Slow download speed when Fort...

GiannisChari · 02-11-2025

Description This article describes why sometimes FortiClient fails to connect to FortiGate and it returns -5052 or -5053 error codes. Scope FortiClient, SSL VPN. Solution When establishing an SSL VPN tunnel to FortiGate, at 89% FortiClient will attem...

GiannisChari · 02-06-2025

Description This article provides a solution to a case of slow download speed on clients behind a FortiGate VM that is running on ProxMox VE (Virtual Environment) with Broadcom BCM57502 NICs. Scope FortiGate, ProxMox. Solution Some Dedicated Servers ...

GiannisChari · 11-29-2024

Description This article describes how captive portal operates in FortiGate and FortiProxy. Scope FortiGate, FortiProxy. Solution There are two official ways for web page traffic to be redirected to different page, either with HTTP redirect codes (30...

GiannisChari · 11-29-2024

Description This article describes how to establish a dial-up VPN with FortiClient using command prompt on Windows. Scope FortiClient, Windows, FortiGate. Solution FortiClient on Windows runs a process on the background called FortiTray that performs...

GiannisChari · 10-29-2024

Description This article describes how to resolve a scenario where FortiGate has an LDAP (Lightweight Directory Access Protocol) object that is used for active directory user authentication, but the client gets the wrong user credentials. Scope Forti...

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Troubleshooting Tip: FortiClient SSL-VPN blocks at 89%. Error (-5053) or (-5052)