Camera (Device) Info On Shodan

Dear IPVM friends,

Any checked your camera exposed on IoT search engine Shodan. Two of my cameras ( one IPcam one NVR) found shodan and give details about the device, IP geolocation, server location etc.

On the device details : For NVR (Hikvision brand)

HTTP/1.1 200 OK
Date: Sat, 21 May 2016 06:33:45 GMT
Server: DNVRS-Webs 
ETag: "0-949-1e0"
content-length: 480
Content-Type: text/html
Connection: keep-alive
Keep-Alive: timeout=60, max=99
Last-Modified: Tue, 05 May 2015 03:32:54 GMT

For standalone IP Camera

HTTP/1.1 401 Unauthorized
Date: Sun, 15 May 2016 10:58:57 GMT
Last-Modified: Sun, 15 May 2016 10:58:57 GMT
Connection: close
Cache-Control: no-cache,no-store
WWW-Authenticate: Basic realm="index.html"
content-length: 436
1.What is server DNVRS means?
2. For camera basic realm should be similar to "IPcam". Not sure why it shown as index.html
How to change to this info? If i change this info, i can advertise my device as IPcam
or something else...though can not fool the Shodan completely but try to change the device type.

Any thoughts welcome.
Thanks

 
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