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A new HTTPS web service is being deployed on a server. Which of the following commands should the Linux administrator use to ensure traffic is able to flow through the system firewall to the new service?
Correct Answer: B
root@ubuntu:/boot/grub# iptables -I INPUT --dport 443 -j ACCEPT iptables v1.8.4 (legacy): unknown option "--dport" Try `iptables -h' or 'iptables --help' for more information