Speaking of the ‘TLS protocol,’ many friends may feel both familiar and unfamiliar. ‘Familiar’ because this term is mentioned in many articles related to network protocols; it’s a high-frequency word. ‘Unfamiliar’ because the knowledge involved in this concept is extensive and quite dull, leading many friends to have a shallow understanding.
The full English name of ‘TLS‘ is ‘Transport Layer Security.’ In Chinese, it means ‘Transmission Layer Security Protocol.’ Simply put, it is an encryption protocol used to ensure the security of computer network communication.
The TLS protocol is a highly important and widely used protocol, extensively applied in web browsers, email, instant messaging, and IP voice, among other applications.
In web browsers, the TLS protocol is employed to secure communication between users and web servers, ensuring the confidentiality and integrity of data when users access websites. In email, the TLS protocol encrypts communication between mail servers, ensuring the security of email transmission.
In summary, the TLS protocol is a crucial network security protocol. It safeguards the confidentiality and integrity of data through various encryption and authentication mechanisms, ensuring the security of Internet communication.
It’s important to emphasize that the TLS protocol is not a static entity. Like many other network protocols, it undergoes continuous evolution and improvement. The latest version as of now is TLS 1.3.
On January 10, 2024, Microsoft announced that starting from November 1, 2024, all Microsoft Azure accounts, whether new or existing, will completely phase out the old versions of TLS 1.0 and TLS 1.1 protocols. Please refer to Figure Four.
Microsoft underscores that TLS 1.0 and TLS 1.1 protocols are significantly outdated, lacking support for various modern encryption algorithms and cipher suites. Many Azure storage customers are already using TLS 1.2. Microsoft urges customers still utilizing TLS 1.0 and 1.1 to transition to TLS 1.2 by October 31, 2024.
It’s important to note that Microsoft’s phase-out of TLS 1.0 and TLS 1.1 protocols didn’t start recently. As early as September 2020, Microsoft disabled TLS 1.0 and TLS 1.1 protocols in the Microsoft Edge and Internet Explorer 11 browsers, gradually expanding the scope of disablement over the years.
For the vast majority of ordinary consumers, this change will not have any impact on their daily life and work, and there’s no need to be concerned. However, for enterprise users with multiple computers and various network devices, the impact could be substantial. It’s advisable for such users to promptly research and formulate upgrade plans.
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