What is a protocol?

A protocol is a standard set of rules that allow electronic devices to communicate with each other.

Most famous are:

  • HTTP: Hypertext Transfer Protocol, the protocol used to transfer data over the web.
  • FTP: File Transfer Protocol, a protocol to transfer files.
  • P2PP: to communicate directly from a peer machine to another.
  • SMTP: to transfer emails.
  • POP3: a protocol to receive emails from a server.
  • IMAP: a protocol to access emails on a server.

Last modified: Wednesday, 5 August 2020, 5:42 PM