Reserved by Cognex for In-Sight machine-vision system communications — a factory-floor port.
IANA registers 1069 as cognex-insight, "COGNEX-INSIGHT", assigned to Cognex for its In-Sight smart cameras and vision systems. Cognex's In-Sight documentation states that 1069 is reserved for In-Sight communications and therefore cannot be chosen as a custom Telnet port; the Native Mode ASCII control protocol that operators use to drive a camera over Ethernet defaults to Telnet on port 23. So 1069 is an internal reservation of the In-Sight software rather than a protocol you interact with by hand. Finding it open places the host on an industrial network running Cognex vision hardware.
Do not expose
Industrial vision systems sit on OT networks with weak or absent authentication and control physical processes — segment them, and never route this to the internet.
$ nmap -Pn -sV -p 1069,23 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.