{
  "port": 19101,
  "protocol": "tcp",
  "service": "Unassigned",
  "oneLiner": "No registration and no documented service; the 19090-19110 range is empty at IANA.",
  "whatItIs": "IANA assigns nothing between 19090 and 19110, 19101 included, and Nmap records the port as unknown while still scanning it by default on frequency grounds. Applications sometimes number an internal service 19101 as part of a self-chosen block, but there is no convention to point at. An open 19101 is an unattributed service.",
  "exposure": {
    "verdict": "careful",
    "note": "Nothing about the number justifies exposure. Find the owning process and judge that."
  },
  "checkCommand": "sudo lsof -nP -iTCP:19101 -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"
    },
    {
      "title": "Nmap services frequency database",
      "url": "https://github.com/nmap/nmap/blob/master/nmap-services",
      "kind": "github"
    }
  ]
}