One port to rule them all

July 29, 2011


You need to create a firewall rule to allow telnet traffic to pass through. What port should you open in your firewall rule?

A) tcp/20

B) tcp/21

C) tcp/23

D) tcp/25

E) Just open them all; most people on the Internet are very, very honest.

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Category: CompTIA A+ Pop Quizzes

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