A DevOps engineer needs to allow incoming traffic to ports in the range of 4000 to 5000 on a Linux server. Which of the following commands will enforce this rule?

A. iptables -f filter -I INPUT -p tcp --dport 4000:5000 -A ACCEPT

B. iptables -t filter -A INPUT -p tcp --dport 4000:5000 -j ACCEPT

C. iptables filter -A INPUT -p tcp --dport 4000:5000 -D ACCEPT

D. iptables filter -S INPUT -p tcp --dport 4000:5000 -A ACCEPT








 

Suggested Answer: B

Community Answer: B



This question is in XK0-005 CompTIA Linux+ Exam
For getting CompTIA Linux+ Certificate



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