FTP Control Protocol
This page provides information on the FTP Control Protocol detected by the Netify DPI engine. The protocol operates on TCP port 21, an officially registered port assigned by the IANA.
Protocol Description
FTP is a protocol used to transfer files between computers. The control portion of the file transfer typically happens on TCP port 21, while the data transfer happens on TCP port 20 or potentially other ports.
Please see the protocol catalog page for information on other protocols detected by Netify DPI.
Protocol Details
- ID
- 1
- Full Name
- File Transfer Protocol (Control)
- Abbreviation
- FTP Control
- Category Tag
- file-server
- Category
- File Server
- Home Page
- FTP Control
- Introduced
- Version 2.88
Protocol Ports - RFC
- TCP 21
- File Transfer Protocol [Control]
Best Practices
FTP is an old school protocol that has been around since the early 1970s. Unlike the encrypted FTPS protocol, the basic FTP protocol uses clear text passwords so user authentication should be avoided in this mode.
Related Protocols
Review the File Server category suite below, or explore the complete protocol catalog.