About: http://webisa.webdatacommons.org/80405618

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	A firewall is typically located at a point of entry into a computer system or network, such as a port or TCP/IP network interface, and scans incoming message traffic by comparing the message traffic to a predetermined criteria.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com