websocket的网站如何采集

wxfy2011

http://www.yundun.com/report/ddos
这个地址，我用firebug看请求头是下面这样的，不知道用httphelper怎么采集

Accept	text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding	gzip, deflate
Accept-Language	zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Cache-Control	no-cache
Connection	keep-alive, Upgrade
Host	ws.yundun.cn
Origin	http://www.yundun.com
Pragma	no-cache
Sec-WebSocket-Extensions	permessage-deflate
Sec-WebSocket-Key	u4K2TcmL48WRSzCYIU2XKw==
Sec-WebSocket-Version	13
Upgrade	websocket
User-Agent	Mozilla/5.0 (Windows NT 10.0; rv:44.0) Gecko/20100101 Firefox/44.0