{
  "port": 10617,
  "protocol": "tcp",
  "service": "Unassigned",
  "oneLiner": "IANA leaves 10617 unassigned and no convention has claimed it; a listener here was configured on purpose.",
  "whatItIs": "IANA has nothing registered on 10617 — the registry jumps from `serverdocs` (10548, Apple Document Sharing) straight to `printopia` (10631), leaving this whole stretch empty. Nmap's service database also carries it as `unknown`, seen on roughly 0.04% of scanned hosts, which is background noise rather than a fingerprint of any product. It also sits well below the Linux ephemeral range (32768 and up), so a process bound here was told to bind here by a config file or a container port mapping. Identify it by its banner, not by the number.",
  "exposure": {
    "verdict": "careful",
    "note": "An unregistered high port tells you nothing about what is behind it. Fingerprint the listener before deciding whether it belongs on a public interface."
  },
  "checkCommand": "nmap -Pn -sV -p 10617 TARGET",
  "links": [
    {
      "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"
    }
  ]
}