All major browsers drop TLS 1.0 and 1.1 in 20202018-10-16 15:57 by Daniela
Tags: TLS, browser
Apple, Google, Microsoft, and Mozilla announced plans today to disable Transport Layer Security (TLS) 1.0 and 1.1 support in their respective browsers in the first half of 2020.
The browser makers are taking those measures in advance of an Internet Engineering Task Force (IETF) proposal to deprecate TLS versions 1.0 and 1.1, although that proposal is still at the draft stage.
Transport Layer Security is a community-developed standard that got its 1.0 release nearly 20 years ago. It and its close relative, 1.1, have known flaws that make them unsafe to use for any secure communications. 1.2 addressed these major flaws in 2008 and is currently used by the vast majority of clients. 1.3, released earlier this year, both improves and streamlines the standard, but as yet has only a limited presence online as many servers and services haven't been updated to support it.
All four browsers - Chrome, Edge, IE, Firefox, and Safari - already support TLS 1.2 and will soon support the recently-approved final version of the TLS 1.3 standard. Chrome and Firefox already support TLS 1.3, while Apple and Microsoft are still working on support.
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