diff options
| -rw-r--r-- | yt_dlp/utils.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/yt_dlp/utils.py b/yt_dlp/utils.py index 9da8bb293..b0300b724 100644 --- a/yt_dlp/utils.py +++ b/yt_dlp/utils.py @@ -948,6 +948,13 @@ def make_HTTPS_handler(params, **kwargs): password=params.get('client_certificate_password')) except ssl.SSLError: raise YoutubeDLError('Unable to load client certificate') + + # Some servers may reject requests if ALPN extension is not sent. See: + # https://github.com/python/cpython/issues/85140 + # https://github.com/yt-dlp/yt-dlp/issues/3878 + with contextlib.suppress(NotImplementedError): + context.set_alpn_protocols(['http/1.1']) + return YoutubeDLHTTPSHandler(params, context=context, **kwargs) |