HTTP Definition – What is the Hypertext Transfer Protocol (HTTP)?

Stands for “Hypertext Transfer Protocol.” HTTP is the protocol used to switch information over the net. It is a part of the Internet protocol suite and defines instructions and companies used for transmitting webpage information.

HTTP makes use of a server-client mannequin. A shopper, for instance, could also be a house pc, laptop computer, or cell device. The HTTP server is often a net host working net server software program, comparable to Apache or IIS. When you entry a web site, your browser sends a request to the corresponding net server and it responds with an HTTP standing code. If the URL is legitimate and the connection is granted, the server will ship your browser the webpage and associated recordsdata.

Some widespread HTTP standing codes embrace:

  1. 200 – profitable request (the webpage exists)
  2. 301 – moved completely (typically forwarded to a brand new URL)
  3. 401 – unauthorized request (authorization required)
  4. 403 – forbidden (entry will not be allowed to the web page or listing)
  5. 500 – inside server error (typically brought on by an incorrect server configuration)

HTTP additionally defines instructions comparable to GET and POST, that are used to deal with kind submissions on web sites. The CONNECT command is used to facilitate a safe connection that’s encrypted using SSL. Encrypted HTTP connections happen over HTTPS, an extension of HTTP designed for safe information transmissions.

NOTE: URLs that start with “http://” are accessed over the usual hypertext switch protocol and use port 80 by default. URLs that begin with “https://” are accessed over a safe HTTPS connection and infrequently use port 443.

Looking to know more Internet Terms