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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 ...
TLS is a proposed Internet Engineering Task Force (IETF) standard, first defined in 1999, and the current version is TLS 1.3, defined in August 2018. TLS builds on the now-deprecated SSL (Secure Sockets Layer) specifications (1994, 1995, 1996) developed by Netscape Communications for adding the HTTPS protocol to their Netscape Navigator web ...
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.
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.
There is no DTLS 1.1 because this version-number was skipped in order to harmonize version numbers with TLS. [2] Like previous DTLS versions, DTLS 1.3 is intended to provide "equivalent security guarantees [to TLS 1.3] with the exception of order protection/non-replayability".
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 January 2025. Extension of the HTTP communications protocol to support TLS encryption Internet protocol suite Application layer BGP DHCP (v6) DNS FTP HTTP (HTTP/3) HTTPS IMAP IRC LDAP MGCP MQTT NNTP NTP OSPF POP PTP ONC/RPC RTP RTSP RIP SIP SMTP SNMP SSH Telnet TLS/SSL XMPP more... Transport layer TCP ...
In theory, TLS could choose appropriate ciphers since SSLv3, but in everyday practice many implementations refused to offer forward secrecy or only provided it with very low encryption grade. [23] This is no longer the case with TLS 1.3, which ensures forward secrecy by leaving ephemeral Diffie–Hellman (finite field and elliptic curve ...
The Working Group presented HTTP/2 to the Internet Engineering Steering Group (IESG) for consideration as a Proposed Standard in December 2014, [6] [7] and IESG approved it to publish as Proposed Standard on February 17, 2015 (and was updated in February 2020 in regard to TLS 1.3 and again in June 2022). The initial HTTP/2 specification was ...