What Is SSL, TLS And HTTPS?

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What is SSL

What is SSL?

SSL stands for Secure Sockets Layer. It is a standard technology for establishing an encrypted link between a server and a client, typically a website and a browser. It allows information to be transmitted securely. More specifically, SSL is a security protocol that provides end-to-end security of data sent between applications over the internet.

What is TLS?

TLS stands for Transport Layer Security, the successor of the now-deprecated Secure Sockets Layer (SSL), is a cryptographic protocol designed to provide communications security over a computer network. Several versions of the protocol are widely used in applications such as email, instant messaging, and voice over IP, but it is used as the Security layer in HTTPS remains the most publicly visible.

What is HTTPS?

Http (Hypertext transfer protocol) is an OSI layer 7 (application layer) protocol which helps client browsers communicate with the web server. Https (Secure Hypertext Transfer Protocol) on the other hand is “http over tls/ssl” which means it has a layer of security powered by TLS (Transport layer security) or SSL (Secure Socket Layer). And this is HTTP with a security feature. HTTPS encrypts the information that is retrieved by HTTP. It ensures that all the information that is being transferred over the internet between the computers and servers is secure by making the data impossible to read. And it does this by using encryption algorithms to scramble the data that is being transferred.

SSL was created by Netscape in 1994. SSL maintenance was handed to IEFT (Internet engineering task force) in 1999. IEFT is responsible for maintaining many of the public internet protocols and when they took over the ssl protocol they renamed the protocol as TLS, that is why there are two different terms. One of them is the protocol the netscape created and maintained and the other one is the protocol maintained by the IEFT. That is why it is considered both of these terms as referring to the same protocol or more accurately as the different versions of the same protocol today the world mostly uses the newer version of the protocol TLS but the older term still persists and people still refer to this as SSL.

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