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TLS 1.0 (deprecated) 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 Edge (Chromium-based) OS-independent: 79–83 Windows (10+) macOS (11+) Linux Android (8.0+) iOS (16+) No No Yes Yes Yes Yes Yes Yes Yes Mitigated Not affected
Firefox 28 and recent versions of Chrome drop support for it. [24] [25] OpenLiteSpeed 1.1 and up support SPDY/2. [26] Version 3: SPDY v3 introduced support for flow control, updated the compression dictionary, and removed wasted space from certain frames, along with other minor bug fixes. [27] Firefox supports SPDY v3 in Firefox 15. [28]
HTTPS Everywhere was inspired by Google's increased use of HTTPS [8] and is designed to force the usage of HTTPS automatically whenever possible. [9] The code, in part, is based on NoScript's HTTP Strict Transport Security implementation, but HTTPS Everywhere is intended to be simpler to use than No Script's forced HTTPS functionality which requires the user to manually add websites to a list. [4]
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.
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.
Token Binding is an evolution of the Transport Layer Security Channel ID (previously known as Transport Layer Security – Origin Bound Certificates (TLS-OBC)) extension. Industry participation is widespread with standards contributors including Microsoft , [ 2 ] Google , [ 3 ] PayPal , Ping Identity, and Yubico .
This includes Google Chrome 1.0, Internet Explorer 7.0, Firefox 3, Safari 3.2, Opera 9.5. [4] Furthermore, some mobile browsers, including Safari for iOS, Windows Phone, Firefox for Android, Chrome for Android, and iOS, added such UI indicators.
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).