How to add the FTP passive port range to the cPanel CSF Firewall

  WHM

Introduction

“Passive mode” means that the server will be “passive” and accept data connections from the client, instead of requiring the client to be able to accept connections back from the server.

Prerequisite

  1. WHM credential

Implementation

Step 1: Log in to the WHM

Step 2: Search application plugin ConfigServer Security & Firewall

Step 3: Firewall Configuration will be available under “csf – ConfigServer Firewall”

Step 4: Click on the Firewall Configuration. Search for the TCP_IN and add the port range 49152:65534

Step 5: Click Change to save the modifications

Step 6: Reload the firewall

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