{
  "port": 5002,
  "protocol": "tcp",
  "service": "rfe",
  "oneLiner": "Registered to \"radio free ethernet\", an old broadcast audio experiment — effectively a free port today.",
  "whatItIs": "IANA lists 5002 as rfe, \"radio free ethernet\", one of the early-1990s registrations that never grew a public specification or a surviving implementation. Nothing widely deployed claims it now, so a listener here is almost always an application that picked a round number near 5000. Treat the registered name as trivia and identify the service from its banner.",
  "exposure": {
    "verdict": "careful",
    "note": "The port number carries no security meaning. Judge exposure by whatever process actually owns the socket."
  },
  "checkCommand": "sudo lsof -nP -iTCP:5002 -sTCP:LISTEN",
  "links": [
    {
      "title": "IANA port registry — 5002 (rfe)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=5002",
      "kind": "iana"
    }
  ]
}