{
  "port": 51493,
  "protocol": "tcp",
  "service": "Unassigned (dynamic range)",
  "oneLiner": "Unregistered, unnamed, and rarely seen — there is nothing standard behind this number.",
  "whatItIs": "51493 is in the Dynamic/Private range, so IANA holds no assignment for it and RFC 6335 says none can exist. Nmap's service database lists it as unknown with a low open-port frequency. No canonical source ties it to a product or protocol, which makes \"an application chose this number\" the complete and accurate answer; the host's own process listing is the only authority on what is listening.",
  "exposure": {
    "verdict": "careful",
    "note": "Treat as unidentified. Map it to a process locally, then apply whatever verdict that service actually warrants."
  },
  "checkCommand": "sudo lsof -nP -iTCP:51493 -sTCP:LISTEN",
  "links": [
    {
      "title": "RFC 6335 — IANA Procedures for Service Name and Transport Protocol Port Number Registry",
      "url": "https://www.rfc-editor.org/rfc/rfc6335.html",
      "kind": "spec"
    },
    {
      "title": "IANA Service Name and Transport Protocol Port Number Registry",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml",
      "kind": "iana"
    }
  ]
}