Registered as IBM Wireless LAN; a 1990s assignment with no current documentation.
IANA registers 1461 on TCP and UDP as ibm-wrless-lan, "IBM Wireless LAN" (the well-formed name IANA issued to replace the older ibm_wrless_lan spelling). It dates from IBM's pre-802.11 wireless LAN products and there is no published protocol specification or supported implementation today. Nothing well-documented squats here, so an open 1461 should be traced to its process on the host rather than read off the registry.
Expose with care
Unknown service; identify the listener before deciding whether it should be reachable at all.
$ sudo lsof -nP -iTCP:1461 -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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Corrections or a missing port? Reply @rimrocksystems.