doc: update OpenSSL default security level to 2 in TLS documentation #59723
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The default OpenSSL security level changed from 1 to 2 in OpenSSL 3.2, which was included in Node.js 24.5. This change enforces stricter cryptographic requirements. Fixes: nodejs#59715
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Sep 2, 2025
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Fixes #59715
This pull request updates the Node.js TLS documentation to reflect the change in the default OpenSSL security level from 1 to 2, starting with Node.js 24.5 (OpenSSL 3.2+).
The documentation previously stated the default security level was 1.
The default is now 2, which enforces stricter cryptographic requirements.