About: http://webisa.webdatacommons.org/342203017

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 which enforces a security policy on communication traffic entering and leaving an internal network.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es