The last port in IANA's 8045-8050 Unassigned block; nothing standard lives here.
8050 is unassigned at IANA and unnamed in Nmap's service database, where it sits near the bottom of the observed-frequency list. No widely documented product default claims it. As with the rest of the 8000-8100 band, an open 8050 is a private choice by whatever software is running, and only a banner or version scan will tell you what.
Expose with care
No registration, no protocol, no default verdict. Fingerprint the service and judge that instead.
$ nmap -sV -Pn -p 8050 TARGETSeen 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.