Active vs Passive FTP - Understanding FTP Ports | In this video, you'll learn about active and passive modes of FTP, FTP ports and how to deal with them when your FTP
![The TCP/IP Guide - FTP Data Connection Management, Normal (Active) and Passive Data Connections and Port Usage The TCP/IP Guide - FTP Data Connection Management, Normal (Active) and Passive Data Connections and Port Usage](http://www.tcpipguide.com/free/diagrams/ftpactive.png)
The TCP/IP Guide - FTP Data Connection Management, Normal (Active) and Passive Data Connections and Port Usage
![Passive mode FTP connection fails with "Unable to Parse FTP PORT/227 command - header IP different from command IP" Passive mode FTP connection fails with "Unable to Parse FTP PORT/227 command - header IP different from command IP"](https://sc1.checkpoint.com/sc/SolutionsStatics/sk169993/sk169993202010211202341.png)