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FTP vs FTPS vs SFTP

Date Last updated 1 month ago
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FTP

Classic FTP

  • Plain FTP
  • Clear-text password sent over the network
  • Typically runs over TCP port 21
  • Defined by RFC 959 and 1123

FTPS

FTP over TLS/SSL

  • Often called 'FTP/SSL'
  • Often called 'Secure FTP'
  • Plain FTP over TLS/SSL channel
  • Password is encrypted
  • Transfer is encrypted
  • Typically runs over TCP port 21 or 990
  • Defined by RFC 959, 1123, 4217 and 2228

SFTP

SSH File Transfer Protocol

  • SSH File Transfer Protocol
  • Has nothing common with original FTP
  • Often called 'Secure FTP'
  • Password is encrypted
  • Transfer is encrypted
  • Typically runs over TCP port 22


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