{
  "port": 6156,
  "protocol": "tcp",
  "service": "Unassigned",
  "oneLiner": "Unassigned by IANA — 6150-6158 is an empty block with no known occupant.",
  "whatItIs": "IANA's registry marks the range 6150-6158 unassigned, so 6156 has no service name, no assignee, and no reference. There is no documented product, malware family, or convention that uses it. Anything listening here was chosen arbitrarily by whatever software opened it, which makes host-side process identification the only reliable way to name it.",
  "exposure": {
    "verdict": "careful",
    "note": "No registration means no expectations — find the owning process before deciding whether it belongs on the network at all."
  },
  "checkCommand": "sudo lsof -nP -iTCP:6156 -sTCP:LISTEN",
  "links": [
    {
      "title": "IANA Service Name and Transport Protocol Port Number Registry — 6150-6158 unassigned",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=6156",
      "kind": "iana"
    }
  ]
}