About: http://webisa.webdatacommons.org/156046471

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	tcpdump is one of the standard tools for this (i.e. looking at packets to find e.g. a string in them).
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com