An IANA registration for netO DCS with no public protocol documentation behind it.
IANA registers 3814 as neto-dcs, "netO DCS", to a private assignee. There is no published specification, no open-source implementation, and no vendor documentation for it that survives on the public web. The truth for this port is the registration and nothing more. Anything you find listening on 3814 should be identified from the host, not from the port number.
Do not expose
An unidentified service is not a service you can risk-assess; keep it off public interfaces until you know what process owns it.
$ sudo lsof -nP -iTCP:3814 -sTCP:LISTENSeen this on your network? Beige Box scans your Wi-Fi and shows every open port on every device — and its Ports tool links straight back here.
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