FTP Data Protocol

Protocol Description

FTP is a protocol used to transfer files between computers. The data portion of the file transfer often passes through TCP port 21, while the control typically happens on TCP port 20.

Full Name

File Transfer Protocol (Data)

Abbreviation

FTP Data

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.

Known Ports

  • TCP 21 - FTP data port.
  • TCP 20 - FTP control port.

Category

File Server

External Resources

Related Protocols

A list of related protocols is below. List of all protocols.
Category Name

File Server

TFTP Details

File Server

Apple File Services Details

File Server

Windows SMB v2/v3 Details

File Server

Windows SMB v1 Details

File Server

FTP Control Details

File Server

NFS Details

File Server

Rsync Details

Protocol Detection

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What gets measured, gets managed.

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Integration and Custom Solutions

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