HTTP 416 Content-Range:bytes */0 issue?

[kioto mitsubisi]

I am sorry, I wrote headers wrong. The request and response headers when we face the issue are below:

Request:
GET /url/to/pdf HTTP/1.1
Host: host
Connection: keep-alive
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/41.0.2272.76 Chrome/41.0.2272.76 Safari/537.36
Accept: */*
DNT: 1
Accept-Encoding: gzip, deflate, sdch
Accept-Language: en-US,en;q=0.8
Cookie: _ga=GA1.3.208602568.1420406175
Range: bytes=0-32767


Response
HTTP/1.1 416 Requested Range Not Satisfiable
Date: Sat, 30 May 2015 20:40:27 GMT
Cache-Control: public
Expires: Sat, 30 May 2015 21:40:27 GMT
ETag: "343188177"
Content-Type: application/pdf
Content-Language: en-US
Age: 0
Connection: keep-alive
Accept-Ranges: bytes
Content-Range: bytes */0