stateless protocol and stateful protocol

Question

How to understand stateless protocol and stateful protocol? HTTP is a stateless protocol and FTP is a stateful protocol. For the web applications requiring a lot of interact

Answer 1

Anything that forgets whatever it did in past is stateless, such as http
Anything that can keep the history is statefull, such as database

Http is a stateless protocol, that's why it forgets the user information.

We make http as statefull protocol using jsonWebToken(JWT) i.e. on each request going to server, server will first verify the user using JWT.