About: http://webisa.webdatacommons.org/396272994

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 vital component in protecting a computer system, or network of computers from external attack (typically from an internet connection).
http://www.w3.org/ns/prov#wasQuotedFrom	techotopia.com