The differences between TLSv1.2 and TLSv1.3 - Speed ​​and Security

What are the differences between TLSv1.2 and TLSv1.3? Why is it necessary to switch to the latest version of cryptographic protocol?

Web "best practice" guides tell us that from a security standpoint, the host server must be activated TLSv1.3. When a user connects to a website, they expect the data transmitted over the Internet to remain confidential. To be sent encrypted and not to be intercepted by a third party. For example when we do a online payment, the web page where we enter our confidential data must provide us with a protocol securizat. A connection HTTPS secure (SSL) Secure Socket Layer / ((TLS) Transport Layer Security.

Current Internet browsers provides support both TLSv1.2 as well as TLSv1.3, but the protocol TLSv1.3 is the recommended one.

What are the differences between TLSv1.2 and TLSv1.3?

Security si data exchange speed client - server are the differences between TLSv1.2 and TLSv1.3.

The differences between TLSv1.2 and TLSv1.3
The differences between TLSv1.2 and TLSv1.3

As can be seen in the image above, TLS 1.2 needs two more roads than TLS 1.3. This means a higher latency in the client-server connection, than the cryptographic protocol TLS 1.3. The complete secure connection is done in about 150ms, while for TLS 1.2 time is about 250ms.

Reduction of completion time of the client - server connection by eliminating some algorithms means for a higher speed of loading a web page and a better customer experience.

Connection HTTPS is done faster with TLS 1.3 by removing the number of connections between the host server and the client that connects to it when accessing a web page.

In conclusion, differences between TLS 1.2 and TLS 1.3 are: speed to terminate the client-server connection (or latency), security increased (by eliminating the number of queries and encryption), Experience the customer.

In order for a webserver to be able to serve web pages for all clients (internet browsers), it must support all the rules. SSLv3, TLSv1, TLSv1.2, TLSv1.3.

Stealth

Passionate about technology, I like to test and write tutorials about operating systems macOS, Linux, Windows, about WordPress, WooCommerce and configure LEMP web servers (Linux, NGINX, MySQL and PHP). I write on StealthSettings.com since 2006, and a few years later I started writing on iHowTo.Tips tutorials and news about devices in the ecosystem Apple: iPhone, iPad, Apple Watch, HomePod, iMac, MacBook, AirPods and accessories.

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