Portmap
Program	Version	Protocol	Port
portmapper	4	tcp	111
portmapper	3	tcp	111
portmapper	2	tcp	111
portmapper	4	udp	111
portmapper	3	udp	111
portmapper	2	udp	111

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Wed, 19 Mar 2025 20:15:19 GMT
Content-Type: text/html
Content-Length: 3460
Last-Modified: Sat, 27 Jan 2018 09:44:04 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: "5a6c49e4-d84"
Accept-Ranges: bytes

MySQL

MySQL:
  Error Message: Host '224.93.5.136' is not allowed to connect to this MySQL server
  Error Code: 1130