+---------------------------------------------+
| REQUEST |
+---------------------------------------------+
GET / HTTP/1.1
Host: hfq.seodoor.cn
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: 00-9452b37f3e615e18c71a72501fe9f4d8-375b6676ec67759a-01
Accept-Encoding: gzip
+---------------------------------------------+
| RESPONSE |
+---------------------------------------------+
HTTP/1.1 502 Bad Gateway
Connection: close
Content-Length: 552
Content-Type: text/html
Date: Sat, 23 Aug 2025 11:17:05 GMT
Server: nginx
502 Bad Gateway
502 Bad Gateway
nginx