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Networking and Interprocess Communication
Whether check_hostname falls back to verify the cert’s subject common name in the absence of a subject alternative name extension (default: true).
Changed in 3.10
- 3.10: The flag had no effect with OpenSSL before version 1.1.1l. Python 3.8.9, 3.9.3, and 3.10 include workarounds for previous versions.