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bpo-40968: Send http/1.1 ALPN extension (#20959)

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Signed-off-by: Christian Heimes <christian@python.org>
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Christian Heimes 2020-11-13 16:37:52 +01:00 • committed by GitHub
parent 09490a109f
commit f97406be4c
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Lib/http/client.py
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@ -1407,6 +1407,9 @@ else:
self.cert_file = cert_file
if context is None:
context = ssl._create_default_https_context()
# send ALPN extension to indicate HTTP/1.1 protocol
if self._http_vsn == 11:
context.set_alpn_protocols(['http/1.1'])
# enable PHA for TLS 1.3 connections if available
if context.post_handshake_auth is not None:
context.post_handshake_auth = True