HTTP/1.1 404 Not Found
Date: Fri, 05 Apr 2024 00:12:22 GMT
Content-Type: text/plain
Content-Length: 0
Connection: keep-alive
Server: FP6.1.3831.220

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Mon, 08 Apr 2024 06:42:00 GMT
Content-Type: text/html
Content-Length: 650
Connection: close