The ZENworks remote-control agent — an administrator taking over a desktop.
IANA registers 1761 as "cft-0", Sopra's Cross File Transfer, but the port is known in the field for Novell ZENworks: the Remote Management Agent binds TCP 1761 by default so a ConsoleOne operator can view or drive the user's desktop, with the listener on the console side using 1762. The port is configurable through rmcfg.ini, but almost nobody changes it. Current ZENworks releases have moved remote management elsewhere and now list 1761 only as a UDP port for forwarding Wake-on-LAN magic packets, so an open TCP 1761 points at a legacy ZENworks Desktop Management estate.
Do not expose
This is a remote desktop control channel on end-user machines, served by an agent from a product generation that no longer gets fixes — keep it on the management network only.
$ nc -vz -w 3 TARGET 1761Seen 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.