diff options
Diffstat (limited to 'Lib/http/client.py')
| -rw-r--r-- | Lib/http/client.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/http/client.py b/Lib/http/client.py index 15abcfeada..a54679cf84 100644 --- a/Lib/http/client.py +++ b/Lib/http/client.py @@ -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 |