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In 2014, the POODLE vulnerability of SSL 3.0 was discovered, which takes advantage of the known vulnerabilities in CBC, and an insecure fallback negotiation used in browsers. [ 31 ] TLS 1.2 (2008) introduced a means to identify the hash used for digital signatures.
Happy Eyeballs (also called Fast Fallback) is an algorithm published by the IETF that makes dual-stack applications (those that understand both IPv4 and IPv6) more responsive to users by attempting to connect using both IPv4 and IPv6 at the same time (preferring IPv6), thus minimizing IPv6 brokenness and DNS whitelisting experienced by users that have imperfect IPv6 connections or setups.
Only as fallback [n 15] [45] Not affected Vulnerable Yes [n 18] ESR 38.1.0–38.8.0: No Disabled by default Yes Yes Yes No Yes Yes Yes Not affected Mitigated Mitigated Only as fallback [n 15] Not affected Mitigated [44] Yes [n 18] 39–43 No No [46] Yes Yes Yes No Yes Yes Yes Not affected Mitigated Not affected Only as fallback [n 15] Not ...
Cloudflare supports HTTP/2 using nginx with SPDY as a fallback for browsers without support, whilst maintaining all security and performance services. [90] Cloudflare was the first major CDN to support HTTP/2 Server Push. [91] AWS CloudFront supports HTTP/2 [92] since September 7, 2016. Fastly supports HTTP/2 including Server Push. [93]
A server implements an HSTS policy by supplying a header over an HTTPS connection (HSTS headers over HTTP are ignored). [1] For example, a server could send a header such that future requests to the domain for the next year (max-age is specified in seconds; 31,536,000 is equal to one non-leap year) use only HTTPS: Strict-Transport-Security: max-age=31536000.
A cookie is a small piece of data stored on your computer by your web browser. With cookies turned on, the next time you return to a website, it will remember things like your login info, your site preferences, or even items you placed in a virtual shopping cart!
Enable two-factor authentication (2FA): 2FA adds an extra layer of security. Even if someone guesses your password, they won't be able to access your account without the second verification step.
A downgrade attack, also called a bidding-down attack, [1] or version rollback attack, is a form of cryptographic attack on a computer system or communications protocol that makes it abandon a high-quality mode of operation (e.g. an encrypted connection) in favor of an older, lower-quality mode of operation (e.g. cleartext) that is typically provided for backward compatibility with older ...