Troubleshooting Tip: Tunnel SSID does not pass tra...

bfreitas · 01-09-2025

Description This article describes why file transfers using compressed files (for example ZIP) are faster than transferring a folder containing multiple files. Scope FTP and all systems. Solution The reason transferring a compressed file (for example...

bfreitas · 11-27-2024

Description This article describes how to resolve a situation to prevent malicious actors from trying to register into an internal PBX by scanning the FortiGate WAN IP. Scope FortiGate, FortiOS. Solution Scenario:Internal PBX <-- SIP Trunk --> VoIP P...

bfreitas · 10-22-2024

Description This article provides a workaround to fix the issue of endpoints connected to FortiAP where traffic is going through FortiGate but reply traffic does not reach back to the endpoints. Scope FortiOS, FortiGate, FortiSwitch, FortiAP. Solutio...

bfreitas · 10-17-2024

Description This article describes the order of execution of Virtual IPs port forwarding, and how to change that order. Scope FortiGate. Solution In FortiGate Virtual IP (VIP) port forwarding priority goes from top to bottom and the Firewall Policy o...

bfreitas · 10-03-2024

Description This article describes an error that can occur when running a 3CX Firewall Port check test after installing a local 3CX VoIP server. The error is 'Mapping does not match . Mapping is '. Even if FortiGate has Firewall Policies and VIPs cor...

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Technical Tip: Reasons why a Compressed file transfers faster than a Folder

Technical Tip: Prevent attackers from using outbound ports/sessions to register to an internal PBX