{
  "port": 10566,
  "protocol": "tcp",
  "service": "Unassigned",
  "oneLiner": "No IANA assignment; nothing well-known listens here by default.",
  "whatItIs": "IANA has no entry for 10566, and Nmap's service database lists it as unknown, open on about 0.04% of scanned hosts. No widely deployed project uses it as a default. Treat an open 10566 as an unidentified application port and fingerprint it directly.",
  "exposure": {
    "verdict": "careful",
    "note": "An unidentified listener should not be assumed safe. Find the owning process, then decide."
  },
  "checkCommand": "nmap -sV -p 10566 TARGET",
  "links": [
    {
      "title": "IANA port registry — 10566 (no assignment)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=10566",
      "kind": "iana"
    },
    {
      "title": "nmap-services — Nmap's port frequency database",
      "url": "https://github.com/nmap/nmap/blob/master/nmap-services",
      "kind": "github"
    }
  ]
}