<http://webisa.webdatacommons.org/112348874>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/112348874>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<port-forwarding.net> .
<http://webisa.webdatacommons.org/prov/171814279>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/112348874> .
<http://webisa.webdatacommons.org/112348874>	<http://www.w3.org/ns/prov#value>	"Normally, a strong firewall will forbid any outgoing port except 80 port." .