FTP Ports Explained: Port 21, 20, Passive Range, SFTP & FTPS

• 24 June 2026
• by: Chloe Martin
• in: Web hosting
• Tags: file transfer, firewall, FTP, FTPS, ports, sftp
• note: no comments

Understand FTP ports: port 21 control, port 20 active data, passive range, SFTP (22) and FTPS (990). Learn active vs passive mode and firewall setup.

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