How do I find out which service is listening on a specific port?
A list of the services and their standard ports can be found in the file /etc/services. There is also a full list of the port numbers in this site as assigned by the Internet Assigned Numbers Authority: http://www.iana.org/assignments/port-numbers
Commands that can be run on the localhost:
# lsof -Pnl...Subscriber exclusive content
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