Working of HTTP [HyperText Transfer Protocol]

What is HyperText?

The protocol used to transfer hypertext between two computers is known as HyperText Transfer Protocol. HTTP provides a standard between a web browser and a web server to establish communication. It is a set of rules for transferring data from one computer to another. Data such as text, images, and other multimedia files are shared on the World Wide Web. Whenever a web user opens their web browser, the user indirectly uses HTTP. It is an application protocol that is used for distributed, collaborative, hypermedia information systems....

Working of HTTP [HyperText Transfer Protocol]

First of all, whenever we want to open any website we first open a web browser after that we will type the URL of that website (e.g., www.facebook.com ). This URL is now sent to the Domain Name Server (DNS). Then DNS first checks records for this URL in their database, and then DNS will return the IP address to the web browser corresponding to this URL. Now the browser is able to send requests to the actual server....

What is an HTTP Request?

HTTP request is simply termed as the information or data that is needed by Internet browsers for loading a website. This is simply known as HTTP Request....

What is HTTP Response?

HTTP Response is simply the answer to what a Server gets when the request is raised. There are various things contained in HTTP Response, some of them are listed below....

What is an HTTP Status Code?

HTTP Status Codes are the 3-digit codes that tell the message or simply tell us about the HTTP Request whether it has been completed or not. There are simply 5 types of status codes....

History of HTTP

Tim Berners Lee and his team at CERN get credit for inventing original HTTP and associated technologies....

Characteristics of HTTP

HTTP is IP based communication protocol that is used to deliver data from server to client or vice-versa....

Advantages of HTTP

Memory usage and CPU usage are low because of fewer simultaneous connections. Since there are few TCP connections hence network congestion is less. Since handshaking is done at the initial connection stage, then latency is reduced because there is no further need for handshaking for subsequent requests. The error can be reported without closing the connection. HTTP allows HTTP pipe-lining of requests or responses....

Disadvantages of HTTP

HTTP requires high power to establish communication and transfer data. HTTP is less secure because it does not use any encryption method like HTTPS and uses TLS to encrypt regular HTTP requests and responses. HTTP is not optimized for cellular phones and it is too gabby. HTTP does not offer a genuine exchange of data because it is less secure. The client does not close the connection until it receives complete data from the server; hence, the server needs to wait for data completion and cannot be available for other clients during this time....

Cookies in HTTP

An HTTP cookie (web cookie, browser cookie) is a little piece of data that a server transmits to a user’s web browser. When making subsequent queries, the browser may keep the cookie and transmit it back to the same server. An HTTP cookie is typically used, for example, to maintain a user’s login state, and to determine whether two requests originate from the same browser. For the stateless HTTP protocol, it retains stateful information....

HTTP status code

Three-digit codes known as HTTP status codes are most frequently used to show if an HTTP request has been fulfilled successfully. The five blocks below represent the breakdown of status codes:...

Can DDoS attacks be launched over HTTP?

Remember that because HTTP is a “stateless” protocol, every command executed over it operates independently of every other operation. Each HTTP request opened and terminated a TCP connection according to the original specification. Multiple HTTP requests can now flow over a persistent TCP connection in HTTP 1.1 and later versions of the protocol, which improves resource use. Large-scale HTTP requests are regarded as application layer or layer 7 attacks in the context of DoS or DDoS attacks, and they can be used to mount an attack on a target device....

Frequently Asked Questions on HTTP – FAQs

What is the difference between HTTPS and HTTP?...