Assertion: firewall's ip address | /r/HasProperty | hidden
Facets:
value: in their network
type: LOCATION
value: from the internet
type: LOCATION
Source sentences:
text: Hiding the addresses of protected devices preserves the limited number of IPv4 addresses and is a defense against network reconnaissance since the IP address is hidden from the Internet.
text: As a result, the IP address of these systems is visible only in their network thus keeping them separated and safe.