What is HTTP/HTTPS in Networking?

What is HTTP/HTTPS in Networking?

1. HTTP (HyperText Transfer Protocol):

– Purpose:

HTTP is a protocol used for transmitting data (like web pages, images, and videos) between a web browser (client) and a web server.

– How It Works:

– The client (browser) sends an HTTP request (e.g., GET or POST) to the server.

– The server responds with an HTTP response containing the requested data.

– Characteristics:

– Operates on port 80.

– Stateless: Each request is independent; no memory of previous interactions.

– Unsecured: Data is sent in plain text — can be intercepted.

2. HTTPS (HyperText Transfer Protocol Secure):

– Purpose:

HTTPS is the secure version of HTTP, adding encryption to protect data during transmission.

– How It Works:

– Uses TLS (Transport Layer Security) or SSL to encrypt the connection.

– A digital certificate (SSL certificate) is installed on the server to authenticate it.

– Once verified, a secure session is established between client and server.

– Characteristics:

– Operates on port 443.

– Encrypted: Protects against eavesdropping and tampering.

– Ensures data integrity, confidentiality, and authenticity.

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Source: LinkedIn

Credits: Mr. Ahmed Bawkar