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  2. Version history for TLS/SSL support in web browsers

    en.wikipedia.org/wiki/Version_history_for_TLS/...

    TLS 1.1 (deprecated) TLS 1.2 TLS 1.3 EV certificate SHA-2 certificate ECDSA certificate BEAST CRIME POODLE (SSLv3) RC4 FREAK Logjam Protocol selection by user Microsoft Internet Explorer (1–10) [n 20] Windows Schannel: 1.x: Windows 3.1, 95, NT, [n 21] [n 22] Mac OS 7, 8: No SSL/TLS support 2: Yes No No No No No No No No No SSL 3.0 or TLS ...

  3. Transport Layer Security - Wikipedia

    en.wikipedia.org/wiki/Transport_Layer_Security

    TLS 1.3 support was subsequently added — but due to compatibility issues for a small number of users, not automatically enabled [50] — to Firefox 52.0, which was released in March 2017. TLS 1.3 was enabled by default in May 2018 with the release of Firefox 60.0. [51] Google Chrome set TLS 1.

  4. Comparison of TLS implementations - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_TLS...

    The publishing of TLS 1.3 and DTLS 1.3 obsoleted TLS 1.2 and DTLS 1.2. Note that there are known vulnerabilities in SSL 2.0 and SSL 3.0. In 2021, IETF published RFC 8996 also forbidding negotiation of TLS 1.0, TLS 1.1, and DTLS 1.0 due to known vulnerabilities. NIST SP 800-52 requires support of TLS 1.3 by January 2024.

  5. Cipher suite - Wikipedia

    en.wikipedia.org/wiki/Cipher_suite

    But with the adoption of TLS 1.3, only 5 cipher suites have been officially supported and defined. [2] The structure and use of the cipher suite concept are defined in the TLS standard document. [3] TLS 1.2 is the most prevalent version of TLS. The newest version of TLS (TLS 1.3) includes additional requirements to cipher suites.

  6. HTTP/2 - Wikipedia

    en.wikipedia.org/wiki/HTTP/2

    HTTP/2 is defined both for HTTP URIs (i.e. without TLS encryption, a configuration which is abbreviated in h2c) and for HTTPS URIs (over TLS using ALPN extension [45] where TLS 1.2 or newer is required, a configuration which is abbreviated in h2).

  7. Opportunistic TLS - Wikipedia

    en.wikipedia.org/wiki/Opportunistic_TLS

    Opportunistic TLS (Transport Layer Security) refers to extensions in plain text communication protocols, which offer a way to upgrade a plain text connection to an encrypted (TLS or SSL) connection instead of using a separate port for encrypted communication. Several protocols use a command named "STARTTLS" or "Explicit TLS" for this

  8. HTTP Strict Transport Security - Wikipedia

    en.wikipedia.org/wiki/HTTP_Strict_Transport_Security

    HSTS addresses this problem [2]: §2.4 by informing the browser that connections to the site should always use TLS/SSL. The HSTS header can be stripped by the attacker if this is the user's first visit. Google Chrome, Mozilla Firefox, Internet Explorer, and Microsoft Edge attempt to limit this problem by including a "pre-loaded" list of HSTS sites.

  9. TLS 1.2 - Wikipedia

    en.wikipedia.org/?title=TLS_1.2&redirect=no

    Transport Layer Security#TLS 1.2 To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .