Active vs Passive FTP – Understanding FTP Ports
Learn about active and passive modes of FTP, FTP ports and how to deal with them when your FTP client and/or server are behind a firewall or NAT. This will help you troubleshoot FTP connections when your clients are unable to connect.
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Related content:
What Is The FTP/S EPSV Command and When Do You Use It?
https://www.jscape.com/blog/what-is-the-ftp/s-epsv-command-and-when-do-you-use-it
Setting Up An SFTP Server
https://www.jscape.com/blog/setting-up-an-sftp-server
Setting Up An FTPS Server Behind A Firewall or NAT For PASV Mode Data Transfers
https://www.jscape.com/blog/setting-up-an-ftps-server-behind-a-firewall-or-nat-for-pasv-mode-data-transfers
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