После редиректа:
URL: http://127.0.0.1:6878/ace/m/0dcfeef63858a5d2dbdb6c685f11aa78a6fca93a/f528764d624db129b32c21fbca0cb8d6.m3u8
Accept*/*
Accept-Encoding: gzip, deflate
Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3
Connection: keep-alive
Host: 127.0.0.1:6878
Origin: http://demo.jwplayer.com
Referer: http://demo.jwplayer.com/developer-tools/http-stream-tester/User-AgentMozilla/5.0 (Windows NT 6.1; WOW64; rv:55.0) Gecko/20100101 Firefox/55.0
Ответ:
Server: BaseHTTP/0.3 Python/2.7.13
Date: Tue, 03 Oct 2017 14:06:32 GMT
Content-Type: text/plain
Content-Length: 13
Access-Control-Allow-Origin: *