+---------------------------------------------+
| REQUEST |
+---------------------------------------------+
GET / HTTP/1.1
Host: www.21cn.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: 00-11c011d5886aa8185d00d703dd4c192c-0cb73c81415ca970-01
Accept-Encoding: gzip
+---------------------------------------------+
| RESPONSE |
+---------------------------------------------+
HTTP/1.1 412 Precondition Failed
Connection: close
Content-Length: 239657
Content-Type: text/html; charset=utf-8
Date: Tue, 21 Apr 2026 15:59:49 GMT
Server: nginx
Set-Cookie: F82089F504F67EE2=mxZ/SQoJCdmjDHJfNE4rNw==; Path=/
Set-Cookie: D1DEA30ACA0D4D8A=ALifGExGMc1mbk2XgF3+prGxZrJdVynnn4+Q3e1iarlNnA8/f49W0YMkAV2vZxsr; Path=/
Title