3DES was dropped from the default cipher string.
- .. versionchanged:: 3.7
+ .. versionchanged:: 3.6.3
TLS 1.3 cipher suites TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384,
and TLS_CHACHA20_POLY1305_SHA256 were added to the default cipher string.
When Python has been compiled against an older version of OpenSSL, the
flag defaults to *0*.
- .. versionadded:: 3.7
+ .. versionadded:: 3.6.3
.. data:: OP_CIPHER_SERVER_PREFERENCE
Whether the OpenSSL library has built-in support for the TLS 1.3 protocol.
- .. versionadded:: 3.7
+ .. versionadded:: 3.6.3
.. data:: CHANNEL_BINDING_TYPES