using curl to make small http request and test internet connection

Getting only response header from HTTP POST using curl - Stack Overflow

curl -s -D - www.mcmr.xyz

$ curl -s -D - www.mcmr.xyz

HTTP/1.1 200 OK

Date: Mon, 07 Nov 2016 01:32:53 GMT

Content-Type: text/html; charset=UTF-8

Transfer-Encoding: chunked

Connection: keep-alive

Set-Cookie: __cfduid=ddab62e1e52362646b14ae860e4fda95a1478482373; expires=Tue, 07-Nov-17 01:32:53 GMT; path=/; domain=.mcmr.xyz; HttpOnly

X-Powered-By: PHP/5.4.16

X-Varnish: 262655

Age: 0

Via: 1.1 varnish-v4

Accept-Ranges: bytes

Server: cloudflare-nginx

CF-RAY: 2fdd08b123fc07bb-MIA


using proxy server
http://stackoverflow.com/questions/9445489/linux-curl-command-with-proxy

curl -v -I -x 192.168.0.1:8080 http://mcmr.xyz