Which of the following tools can be used for passive OS fingerprinting?
A. tcpdump
B. nmap
C. ping
D. tracert
A. tcpdump
B. nmap
C. ping
D. tracert
Explanation:
The passive operating system fingerprinting is a feature built into both the pf and tcpdump tools.
References: http://geek00l.blogspot.se/2007/04/tcpdump-privilege-dropping-passive-os.html
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