{
  "port": 1151,
  "protocol": "tcp",
  "service": "Unizensus Login Server",
  "oneLiner": "A 2005 vendor registration for a login server; effectively absent from real scans.",
  "whatItIs": "IANA registers 1151 as unizensus, \"Unizensus Login Server\", assigned in November 2005. No protocol specification is published and Nmap's frequency data shows it open on a tiny share of hosts. Treat an open 1151 as an unidentified application rather than as this product.",
  "exposure": {
    "verdict": "careful",
    "note": "The registration is an authentication endpoint with unknown transport security — confirm what is listening and whether credentials cross the wire in the clear."
  },
  "checkCommand": "sudo lsof -nP -iTCP:1151 -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",
      "kind": "iana"
    }
  ]
}