淘宝开启 https 了

curl -I http://www.taobao.com HTTP/1.1 302 Found Server: Tengine Date: Mon, 20 Jul 2015 06:10:52 GMT Content-Type: text/html Content-Length: 258 Connection: keep-alive Location: https://www.taobao.com/ Set-Cookie: thw=cn; Path=/; Domain=.taobao.com; Expires=Tue, 19-Jul-16 06:10:52 GMT;