About: http://webisa.webdatacommons.org/152891507

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In order for you to properly test if a port is open or closed a program must be using the port on your system and accept incoming connections.
http://www.w3.org/ns/prov#wasQuotedFrom	ubi.com