GIAC
GSNA · Question #334
You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network. You have configured a firewall on the network. A filter has been applied to block all the ports. You…
The correct answer is A. 25 D. 110. In order to enable email communication, you will have to open ports 25 and 110. Port 25 is used by SMTP to send emails. Port 110 is used by POP3 to receive emails.
Network & Perimeter Auditing
Question
You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network. You have configured a firewall on the network. A filter has been applied to block all the ports. You want to enable sending and receiving of emails on the network. Which of the following ports will you open? (Choose two)
Options
- A25
- B20
- C80
- D110
How the community answered
(29 responses)- A72% (21)
- B17% (5)
- C10% (3)
Explanation
In order to enable email communication, you will have to open ports 25 and 110. Port 25 is used by SMTP to send emails. Port 110 is used by POP3 to receive emails.
Topics
#SMTP#POP3#email ports#firewall rules
Community Discussion
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