Users are unable to connect to the web server at IP 192.168.0.20. Which of the following can be inferred of a firewall that is configured ONLY with the following ACL?
PERMIT TCP ANY HOST 192.168.0.10 EQ 80
PERMIT TCP ANY HOST 192.168.0.10 EQ 443
A. It implements stateful packet filtering.
B. It failed closed.
C. It implements bottom-up processing.
D. It implements an implicit deny.
Answer
D. It implements an implicit deny.
PERMIT TCP ANY HOST 192.168.0.10 EQ 80
PERMIT TCP ANY HOST 192.168.0.10 EQ 443
A. It implements stateful packet filtering.
B. It failed closed.
C. It implements bottom-up processing.
D. It implements an implicit deny.
Answer
D. It implements an implicit deny.
