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The File Transfer Protocol ( FTP) is a standard communication protocol used for the transfer of computer files from a server to a client on a computer network. FTP is built on a client–server model architecture using separate control and data connections between the client and the server. [ 1] FTP users may authenticate themselves with a ...
RFC 697 - CWD Command of FTP. RFC 959 - File Transfer Protocol (FTP) RFC 1639 - FTP Operation Over Big Address Records (FOOBAR) RFC 2228 - FTP Security Extensions. RFC 2389 - Feature negotiation mechanism for the File Transfer Protocol. RFC 2428 - FTP Extensions for IPv6 and NATs. RFC 2640 - Internationalization of the File Transfer Protocol.
Some examples include: FTP (20 and 21), SSH (22), TELNET (23), SMTP (25), HTTP over SSL/TLS (443), and HTTP (80). [ e ] Registered ports are typically used by end-user applications as ephemeral source ports when contacting servers, but they can also identify named services that have been registered by a third party.
List of FTP server return codes. FTP server return codes always have three digits, and each digit has a special meaning. [ 1] The first digit denotes whether the response is good, bad or incomplete: Range. Purpose. 1xx. Positive Preliminary reply. The requested action is being initiated; expect another reply before proceeding with a new command.
Two separate methods were developed to invoke client security for use with FTP clients: Implicit and Explicit.While the implicit method requires that a Transport Layer Security is established from the beginning of the connection, which in turn breaks the compatibility with non-FTPS-aware clients and servers, the explicit method uses standard FTP protocol commands and replies in order to ...
The Gopher protocol (/ ˈ ɡ oʊ f ər /) is a communication protocol designed for distributing, searching, and retrieving documents in Internet Protocol networks. The design of the Gopher protocol and user interface is menu-driven, and presented an alternative to the World Wide Web in its early stages, but ultimately fell into disfavor, yielding to Hypertext Transfer Protocol ().
FileZilla is a free and open-source, cross-platform FTP application, consisting of FileZilla Client and FileZilla Server. Clients are available for Windows, Linux, and macOS. Both server and client support FTP and FTPS (FTP over SSL/TLS ), while the client can in addition connect to SFTP servers. FileZilla's source code is hosted on SourceForge .
1979. Suite of protocols for copying files between Unix machines, used for many purposes including the distribution of email. Also allows commands to be sent, which led to the first internet worms. The file transfer protocol within UUCP is the "g" protocol. [ 101] MODEM7. Mark M. Zeigler, James K. Mills. 1980.