A port scanner identifies that port 143 is open on the firewall and port 25 is closed. Which of the following protocols is being used by the company?
A.
POP3
B.
SMTP
C.
SNMP
D.
IMAP4
Which of the following protocols is being used by the company?
A port scanner identifies that port 143 is open on the firewall and port 25 is closed. Which of the following protocols is being used by the company?