A network technician has set up a firewall and entered only three rules allowing traffic on ports 21,110, and 25 to secure the network. Users are reporting they cannot access web pages using the URLs.
Which of the following can the technician do to correct the situation?
A. Add a rule to the end allowing port 80 and 53.
B. Add a rule to the end allowing port 143 and 22.
C. Add a rule to the end allowing port 137 and 66.
D. Add a rule to the end allowing port 445 and 173.
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