A security engineer is working to identify all email servers on a network. Which of the following commands should the engineer use to identify the servers as well as the software version the servers are running?
A.
nmap 10.0.0.1/24 -sT -sV -p 25,110,143,465,993,995
B.
nmap 10.0.0.1/24 -sT -v -p 21,22,23,53,110,135
C.
nmap 10.0.0.1/24 -sS -sV -p 37,110,119,161,445,3389
D.
nmap 10.0.0.1/24 -sA -sU -p 80,110,443,209,389,464
A. nmap 10.0.0.1/24 -sT -sV -p 25,110,143,465,993,995
-sT: Performs a TCP connect scan.
-sV: Enables version detection to identify the software running on the ports.
-p 25,110,143,465,993,995: Scans the common ports used by email servers (SMTP, POP3, IMAP, SMTPS, IMAPS, POP3S).
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Snagggggin
3 months ago