A New HTTPS Web Service Is Being Deployed on a Server

Multiple Choice

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?

A) iptables -I OUTPUT -p tcp --sport 443 -j ACCEPT
B) iptables -A INPUT -p tcp --dport 443 -j ACCEPT
C) iptables -I INPUT --dport 443 -j ACCEPT
D) iptables -A OUTPUT -p tcp --dport 443 -j ACCEPT