formats.extend(self._extract_smil_formats(
video_url, video_id, fatal=False))
elif ext == 'm3u8':
+ # the certificates are misconfigured (see
+ # https://github.com/rg3/youtube-dl/issues/8665)
+ if video_url.startswith('https://'):
+ continue
formats.extend(self._extract_m3u8_formats(
video_url, video_id, 'mp4', m3u8_id=format_id, fatal=False))
elif ext == 'f4m':