A network technician has configured a new firewall to allow TCP port 80 traffic and deny
UDP traffic. Users have reported that they are unable to access Internet websites. The
technician verifies by attempting to access a popular website. Which of the following will
MOST likely correct the error?
A.
HTTP uses UDP
B.
DNS port 23 needs to be allowed
C.
HTTP needs port 443 allowed
D.
UDP port 53 needs to be allowed