HTTP/1.1 404 Not Found
Date: Mon, 01 Apr 2024 02:23:46 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: Wed, 10 Apr 2024 21:22:31 GMT
Content-Type: text/html
Content-Length: 650
Connection: close