+---------------------------------------------+
|                   REQUEST                   |
+---------------------------------------------+
GET / HTTP/1.1
Host: cyyangqiguan.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Traceparent: 00-c193c13bfc5d84183b3c3b7329f11062-702c09ffbd5f6a39-01
Accept-Encoding: gzip




+---------------------------------------------+
|                   RESPONSE                  |
+---------------------------------------------+
HTTP/1.1 400 Bad Request
Connection: close
Content-Length: 39
Content-Type: text/html
Date: Thu, 25 Dec 2025 05:24:51 GMT


<h1>Bad Request (Invalid Hostname)</h1>