The full form of FTP is File Transfer Protocol. Basically, it is a way to transfer files online. It uses the Internet’s TCP/IP protocols to enable data transfer. It uses a client-server architecture, often SSL/TLS to transfer files. It may be authenticated with usernames and passwords. Anonymous FTP allows users to access files, programs and other data from the Internet without the need for a userID or password. You might think of the sites you in your browser as “the Internet”, but your browser uses only one protocol which is “HTTP”.
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File Transfer Protocol is also known as RFC 959. The original specification for the File Transfer Protocol was written by Abhay Bhushan and published as RFC 114 on April 16, 1971. This was later replaced by TCP/IP version RFC 765 on June 1980 and the current specification is RFC 959( October 1985). Here RFC stands for ‘request for comments’.
There are many other protocols on the internet which make up the internet. For email clients, there are two protocols IMAP and POP, which are used to send and receive messages. But wait do you heard about XMAPP protocol which is used to send and receive the message instantly. The protocol which is used to translate domain names into IP address is known as DNS. An FTP server offers access to a directory with sub-directories. Users connect to these servers with an FTP client. FTP client is a software which is used to download the file from the server as well as upload files to it.
FTP is not used by many internet users but if you are building a website or have a website, then it is an essential tool for you. It is a fundamental tool on the web so if you want to start building a website, it is an essential tool for you even if you are not a developer.