{
  "port": 3371,
  "protocol": "both",
  "service": "satvid-datalnk (Satellite Video Data Link)",
  "oneLiner": "The last port of the 3367-3371 satellite-video block, and the one that sits directly below MSDTC's TIP port.",
  "whatItIs": "IANA's satvid-datalnk range ends at 3371; the next port up, 3372, is Microsoft's TIP transaction port. Like the rest of the range, 3371 has a registrant name and nothing else — no specification, no reference implementation, no meaningful scan presence. Its practical value is as a landmark when you are reading a port list next to 3372 on a Windows host.",
  "exposure": {
    "verdict": "careful",
    "note": "No known protocol to reason about, so nothing here justifies internet exposure without first identifying the listener."
  },
  "checkCommand": "nc -vz -w 3 TARGET 3371",
  "links": [
    {
      "title": "IANA port registry — 3367-3371 (satvid-datalnk)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=satvid-datalnk",
      "kind": "iana"
    }
  ]
}