{
  "port": 7749,
  "protocol": "tcp",
  "service": "Unassigned",
  "oneLiner": "Unassigned — it sits in the long empty 7748-7776 gap below the game-server crowd on 7777.",
  "whatItIs": "IANA's last registration before this gap is 7747 (prgp, Put/Run/Get Protocol); 7748 through 7776 are unassigned, 7749 among them. Nmap has no service name for it and scores it near 0.015% open frequency. Nothing standard claims it, so treat any listener as application-specific and identify it locally.",
  "exposure": {
    "verdict": "careful",
    "note": "Unregistered port, unknown service — resolve the owning process before making a firewall decision."
  },
  "checkCommand": "sudo lsof -nP -iTCP:7749 -sTCP:LISTEN",
  "links": [
    {
      "title": "IANA port registry — 7749 (unassigned)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=7749",
      "kind": "iana"
    }
  ]
}