{
  "port": 2006,
  "protocol": "tcp",
  "service": "invokator",
  "oneLiner": "Registered as invokator with no description; nothing well known runs here.",
  "whatItIs": "IANA registers 2006/tcp as invokator and 2006/udp as raid-cd, both undocumented holdovers from the early registry. There is no public specification and no widely deployed software that claims the port. The plausible cause of an open 2006 is Cisco reverse telnet to line 6, or an application that took a free port in the 2000s range.",
  "exposure": {
    "verdict": "careful",
    "note": "Unidentified listener: fingerprint it and do not publish it until you know what it is."
  },
  "checkCommand": "nc -vz TARGET 2006",
  "links": [
    {
      "title": "IANA port registry — 2006 (invokator)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=2006",
      "kind": "iana"
    }
  ]
}