Registered in 2004 as "Subnet Roaming" under the name afrog; no specification exists publicly.
IANA assigns 1042 to afrog, described as "Subnet Roaming", registered in November 2004 to an individual with no reference document. Nothing about the protocol's wire format or purpose beyond that phrase is public. On a scan, 1042 is best read as an unassigned low port: legacy Windows allocates RPC endpoints in this range, and ordinary software binds here opportunistically.
Expose with care
Undocumented registration, so there is nothing to evaluate — find the process before deciding exposure.
$ nc -vz TARGET 1042Seen 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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Corrections or a missing port? Reply @rimrocksystems.