About: http://webisa.webdatacommons.org/278885489

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 a system, hardware or software, configured to limit access to a system or network.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk