Assertion: firewall | /r/HasProperty | necessary
Facets:
value: those years ago
type: TEMPORAL
value: on windows
type: LOCATION
Source sentences:
text: Even for a common tool such as a firewall (sometimes called a network firewall), many businesses might not have a clear idea of how to find the right firewall (or firewalls) for their needs, how to configure those firewalls, or why such firewalls might be necessary.
text: One disadvantage of this design is that two firewalls are needed: one to protect the DMZ from the Internet and one to protect the internal network from the DMZ and the Internet.
text: That’s why a firewall was so necessary on Windows all those years ago — because Windows XP had so many services listening for network connections, and those services were being exploited by worms.