{
  "port": 2394,
  "protocol": "tcp",
  "service": "Microsoft OLAP (legacy)",
  "oneLiner": "The second of Microsoft's early OLAP registrations, and just as dormant as the first.",
  "whatItIs": "IANA registers 2394 as ms-olap2, \"MS OLAP 2\", registered by Microsoft's Analysis Services team next to ms-olap1 on 2393. Microsoft's current Analysis Services firewall documentation names only TCP 2383 (default instance) and TCP 2382 (SQL Server Browser), so 2394 does not correspond to anything a supported SQL Server installs. Identify any listener here by process; the registry name will not tell you what it is.",
  "exposure": {
    "verdict": "never",
    "note": "Either an unidentified service or a legacy database listener — keep it off public interfaces either way."
  },
  "checkCommand": "sudo lsof -nP -iTCP:2394 -sTCP:LISTEN",
  "links": [
    {
      "title": "IANA Service Name and Transport Protocol Port Number Registry — 2394 (ms-olap2)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=2394",
      "kind": "iana"
    },
    {
      "title": "Microsoft Learn — Configure the Windows Firewall to Allow Analysis Services Access (documents 2382/2383)",
      "url": "https://learn.microsoft.com/en-us/analysis-services/instances/configure-the-windows-firewall-to-allow-analysis-services-access",
      "kind": "official-docs"
    }
  ],
  "ianaName": "ms-olap2"
}