A security audit concludes that an organization's database servers need to be hardened. As a result, an administrator obtains the following partial Nmap output from a database server.
 
Which of the following commands should the administrator execute to mitigate security risks?

A. iptables -A INPUT -p tсp --dport 23 -j DROP

B. iptables -A OUTPUT -p udp --dport 123 -j DROP

C. iptables -A INPUT -p tcp --sport 23 -j ACCEPT

D. iptables -A INPUT -p tcp --dport 3306 -j ACCEPT








 

Suggested Answer: C

Community Answer: A



This question is in XK0-004 CompTIA Linux+ Exam
For getting CompTIA Linux+ Certificate


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