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

Node.js

HTTP/1.1 200 OK
X-Powered-By: Express
Content-Type: text/html; charset=utf-8
Content-Length: 11
ETag: W/"b-WZQymHDvuBBC5I69cbh2GE6GHq4"
Date: Mon, 13 Jan 2025 20:45:27 GMT
Connection: keep-alive
Keep-Alive: timeout=5

HTTP/1.1 400 Bad Request
Connection: close

MySQL

MySQL:
  Error Message: Host '224.186.18.78' is not allowed to connect to this MySQL server
  Error Code: 1130

MySQL X Protocol

MySQL X Protocol:
  tls: False
  authentication.mechanisms:
    MYSQL41
    SHA256_MEMORY
  doc.formats: text
  client.interactive: False
  compression:
    algorithm:
      deflate_stream
      lz4_message
      zstd_stream
  node_type: mysql
  client.pwd_expire_ok: False