In the world of secured HTTP protocol (HTTPS), Secure Socket Layer (SSL) and Transport Layer Security (TLS) plays a vital role in the network industry.
SSL is a cryptographic protocol, which extends HTTP to authenticate internet connections and enable encryption and SSL decryption for data communication over a network.
SSL 1.0
- Release: SSL 1.0 was never publicly released due to serious security flaws.
SSL 2.0
- Release in 1995
- End of Life: The Internet Engineering Task Force (IETF) officially deprecated in 2011 through RFC 6176.
SSL 3.0
- Release in 1996
- End of Life: June 2015 through RFC 7568.
TLS is a direct evolution of SSL and introduced to address security vulnerabilities in the earlier protocol.
TLS 1.0
- Release in January 1999
- End of Life: IETF recommended deprecating TLS 1.0 in 2018. Major browsers like Google Chrome, Mozilla Firefox, Microsoft Edge, and Safari officially ended support in 2020.
TLS 1.1
- Release in April 2006
- End of Life: IETF in 2018, with major browsers in 2020.
TLS 1.2
- Release in August 2008
- End of Life: Now, it is widely supported; but recommended to TLS 1.3 for which adoption increases.
TLS 1.3
- Release in August 2018
- End of Life: Not applicable as it is current standards
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