$  echo -en "GET /1916/index.m3u8?token=6477502547 HTTP/1.1\r\nHost: ott-2.host\r\nReferer: \r\n\r\n" | nc ott-2.host 80
HTTP/1.1 403 Forbidden
Connection: keep-alive
Server: Cowboy
Date: Sat, 11 Jun 2016 13:19:53 GMT
Content-Length: 634
X-Route-Time: 146
X-Run-Time: 534
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: GET, OPTIONS
Access-Control-Expose-Headers: Server, range, X-Run-Time, Content-Length
Access-Control-Allow-Headers: x-vsaas-session, origin, authorization, accept, range
X-Deny-Reason: invalid_url:  no_protocol



$ echo -en "GET /1916/index.m3u8?token=6477502547 HTTP/1.1\r\nHost: ott-2.host\r\nReferer: http://a.ru\r\n\r\n" | nc ott-2.host 80
HTTP/1.1 200 OK