{
  "port": 4998,
  "protocol": "tcp",
  "service": "Unassigned",
  "oneLiner": "Unassigned at IANA — no standard service owns 4998.",
  "whatItIs": "4998 has no entry in the IANA service name and port number registry, while its neighbours 4999 (HFSQL manager) and 5000 (commplex-main) do. Nmap's services file lists it as \"maybe-veritas\" with a very low hit frequency, a guess carried from old scan data rather than a confirmed protocol. Anything listening here is application-specific, so identify it by its banner rather than by the number.",
  "exposure": {
    "verdict": "careful",
    "note": "An unregistered port tells you nothing about what is behind it. Find out what process owns the socket before deciding whether it belongs on a public interface."
  },
  "checkCommand": "sudo lsof -nP -iTCP:4998 -sTCP:LISTEN",
  "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?search=4998",
      "kind": "iana"
    }
  ]
}