{
  "port": 8189,
  "protocol": "tcp",
  "service": "Unassigned",
  "oneLiner": "Unassigned at IANA, with no widely used default service.",
  "whatItIs": "IANA lists 8185 through 8189 as one Unassigned block, so nothing is registered on 8189. There is no common product default here; a listener is a local choice, most often an application or web service on an arbitrary free port. Fingerprint it rather than inferring a protocol from the number.",
  "exposure": {
    "verdict": "careful",
    "note": "Unregistered and unidentified is not the same as harmless — find out what answers before you decide."
  },
  "checkCommand": "sudo lsof -nP -iTCP:8189 -sTCP:LISTEN",
  "links": [
    {
      "title": "IANA Service Name and Transport Protocol Port Number Registry — 8189",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=8189",
      "kind": "iana"
    }
  ]
}