HTTP vs HTTPS

Transport Layer Security

What is TLS? The Transport Layer Security (TLS) protocol helps in encrypting and authenticating the communication between two services. It is a Transport Layer protocol as per the OSI Model. It is the better version of the Secure Sockets Layer (SSL) protocol. (The last SSL version was 3.0.) TLS 1.0 was also called SSL 3.1. The latest version of TLS is 1.3. It is placed between TCP and HTTP. Usually TCP -> HTTP, but with HTTPS, TCP -> TLS -> HTTP. Thus, HTTPS is also called ‘HTTP over TLS (or SSL)’. It is not just used in web sites. It is used for other communication as well, for eg, DB communication, browsing on TOR browser, etc. Examples NOTE: ...

January 20, 2021 · 6 min · Harsh Kapadia