https://www.auditmypc.com/udp-port-141.asp
UDP 141 - Port Protocol Information and Warning!
Mar 13, 2010 - UDP Port 141 protocol and security warnings including related ports.
protocol informationudpportwarning
https://classiccmp.org/pipermail/cctalk/2018-September/041635.html
AlphaWindows - Protocol Information?
protocol information