Previous posts about the upcoming OpenSSL 4.0 release:
- removing ENGINE code
- removing deprecated functions for creating or modifying custom METHODS
- no longer registering a function via atexit function
- adding ECH support
Summary
Secure Sockets Layer version 3.0 (SSLv3) was deprecated in RFC
7568. SSLv3 was disabled at
build-time in OpenSSL 1.0.2h by default. As of OpenSSL 4.0, SSLv3 support
has been removed altogether.
In addition, OpenSSL no longer supports the SSLv2 Client Hello.
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