{
  "port": 55056,
  "protocol": "tcp",
  "service": "Unassigned (dynamic range)",
  "oneLiner": "The other half of the 55055/55056 pair — equally unregistered and equally unidentified.",
  "whatItIs": "Like its neighbour, 55056 falls in the RFC 6335 Dynamic/Private range and has no IANA registration. Nmap's nmap-services scores it 0.000304 as \"unknown\", which is enough to include it in the default top-1000 TCP scan. SANS ISC shows an empty service field and no tracked vulnerabilities. If you find it open, the only reliable identification path is on the host itself.",
  "exposure": {
    "verdict": "careful",
    "note": "Unknown service. Nothing here justifies an inbound firewall rule until the owning process is named."
  },
  "checkCommand": "nmap -Pn -sV --version-all -p 55056 TARGET",
  "links": [
    {
      "title": "RFC 6335 — Dynamic Ports (49152-65535)",
      "url": "https://www.rfc-editor.org/rfc/rfc6335.html",
      "kind": "spec"
    },
    {
      "title": "IANA port registry — search 55056",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=55056",
      "kind": "iana"
    }
  ]
}