Set value of object with curl

[baggins]

Hi,

I would like to set an object value from another machine.
I can do this manually from a web browser using this url:

Code:

http://remoteusr:remotepasswd@192.168.0.40:80/scada-remote?m=json&r=grp&fn=write&alias=15/0/87&value=1

When I use curl on the other machine as follows:

Code:

curl -0 -i -H "Accept: application/json" -H "Content-Type: application/json" -X POST http://remoteusr:remotepasswd@192.168.0.40:80/scada-remote?m=json&fn=write&alias=15/0/87&value=1

the following is returned:

Code:

[1] 6322
[2] 6323
[3] 6324
[4] 6325
[2]   Klaar                   r=grp
[3]-  Klaar                   fn=write
[emm@bilbo 23]$ HTTP/1.1 200 OK
Server: nginx
Date: Mon, 11 Sep 2017 09:56:56 GMT
Content-Type: text/plain
Content-Length: 31
Connection: close

Invalid parameter "r" (request)

The object value is not set.

I'm not particularly familiar with curl and there are a million options to it, so can anyone help me out?
Thanks.