What is File Transfer Protocol?

File Transfer Protocol (FTP) is a Application Layer protocol in the File Transfer category. Standard protocol for transferring files between hosts. Uses separate control (port 21) and data (port 20) connections.

What port does FTP use?

FTP uses port 20, 21 by default. The protocol is defined in RFC 959.

FTP :21

File Transfer Protocol

Application Layer — File Transfer

Visão geral do protocolo

Nome completo File Transfer Protocol

Abreviatura FTP

Camada OSI Application Layer

Categoria File Transfer

Porta padrão 20, 21

RFC RFC 959

Sobre FTP

Standard protocol for transferring files between hosts. Uses separate control (port 21) and data (port 20) connections.

Application Layer File Transfer Porta 20, 21

Referência de padrões

FTP é definido em RFC 959, publicado pelo Internet Engineering Task Force (IETF). Os RFCs são os documentos de padrões oficiais para protocolos de internet e estão disponíveis gratuitamente para revisão pública.

Protocolos relacionados — Application Layer

HTTP Hypertext Transfer Protocol HTTPS HTTP Secure HTTP/2 HTTP/2 HTTP/3 HTTP/3 WS WebSocket SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol POP3 Post Office Protocol v3