HTTP and HTTPS

HTTP:

HTTP is associate degree client-server protocol that enables clients to request web content from network servers. it's associate degree application level protocol widely used on the net. shoppers area unit sometimes net browsers. once a user desires to access an online page, a browser sends associate degree communications protocol Request message to the network server. The server responds with the requested web content. net servers sometimes use protocol port eighty.

Clients and net servers use request-response methodology to speak with one another, with shoppers causing the communications protocol Requests and servers responding with the communications protocol Responses. clients sometimes send their requests victimization GET or POST ways, maybe GET /homepage.html. net servers respond with a standing message (200 if the request was successful) and send the requested resource.

HTTPS:

Hypertext Transfer Protocol Secure could be a secure version of the protocol. This protocol permits secure communication between a shopper (e.g. internet browser) and a server (e.g. internet server) by victimization encoding. HTTPS uses SSL (Secure Socets Layer) protocol and for encoding and TCP port 443 for communication.

HTTPS is usually accustomed produce a secure channel over some insecure network, e.g. Internet. By default, most traffic on the web is unencrypted and prone to sniffing attacks. HTTPS encrypts sensitive data, that makes an association secure.

HTTPS is typically not used on the complete web site as a result of encoding slows down the location. Instead, it's used solely to safeguard sensitive data like usernames and passwords.

HTTPS URLs begin with protocols rather than HTTP. In web someone, you'll straightaway acknowledge that an internet website is victimization HTTPS as a result of a lock seems to the proper of the address bar.