On Tuesday, 5 April 2016 05:40:05 UTC+1, Gábor Hársfalvi wrote: > Thanks for the answer. > > > > grep 2000 /etc/services > cisco-sccp 2000/tcp # Cisco SCCP > cisco-sccp 2000/udp > > I see that... > Just because you have a line in /etc/services, it does not mean you have a program installed. See http://www.penguintutor.com/linux/network-services-ports