CompTIA Security+ SY0-601 – Question489

A technician is setting up a new firewall on a network segment to allow web traffic to the internet while
hardening the network. After the firewall is configured, users receive errors stating the website could not be
located. Which of the following would best correct the issue?


A.
Setting an explicit deny to all traffic using port 80 instead of 443
B. Moving the implicit deny from the bottom of the rule set to the top
C. Configuring the first line in the rule set to allow all traffic
D. Ensuring that port 53 has been explicitly allowed in the rule set

Correct Answer: D