Which of the following commands will enforce this rule?

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

View Answer

Answer: B