{
  "port": 54328,
  "protocol": "tcp",
  "service": "Unassigned (dynamic range)",
  "oneLiner": "Unregistered high port with no named service in any public database.",
  "whatItIs": "There is no IANA assignment for 54328 — RFC 6335 reserves 49152-65535 for dynamic and private use. Nmap includes it in the default top-1000 TCP set with an observed-open frequency of 0.000228, and labels it \"unknown\". SANS ISC records scanning traffic aimed at it but has no service name and no associated CVEs. Short version: registered to nobody, rarely seen, and when seen, unidentified.",
  "exposure": {
    "verdict": "careful",
    "note": "An unnamed listener is an unaudited listener. Find the process, then decide."
  },
  "checkCommand": "nc -vz -w 3 TARGET 54328",
  "links": [
    {
      "title": "RFC 6335 — Dynamic Ports (49152-65535)",
      "url": "https://www.rfc-editor.org/rfc/rfc6335.html",
      "kind": "spec"
    },
    {
      "title": "IANA port registry — search 54328",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=54328",
      "kind": "iana"
    }
  ]
}