About: http://webisa.webdatacommons.org/64939053

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 that sits between a computer and the Inter-net, and provides security by ensuring that only certain types of traffic can pass.
http://www.w3.org/ns/prov#wasQuotedFrom	idg.com.au