{
  "port": 2875,
  "protocol": "both",
  "service": "dxmessagebase2 (registered)",
  "oneLiner": "Registered as the DX Message Base Transport Protocol, and almost never seen.",
  "whatItIs": "IANA registers 2874 and 2875 to one person as dxmessagebase1 and dxmessagebase2, \"DX Message Base Transport Protocol\" — a message-base (BBS-style message store) transport. There is no public specification and no widely distributed implementation, and scan datasets show essentially nothing answering here. If 2875 is open on a host you run, the listener is some local application that picked a free port, not this registration.",
  "exposure": {
    "verdict": "careful",
    "note": "Nothing standard lives here, so the honest step is to identify the process behind the port before treating it as expected."
  },
  "checkCommand": "sudo lsof -nP -iTCP:2875 -sTCP:LISTEN",
  "links": [
    {
      "title": "IANA Service Name and Transport Protocol Port Number Registry — 2875 (dxmessagebase2)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=2875",
      "kind": "iana"
    }
  ],
  "ianaName": "dxmessagebase2"
}