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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 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 CI OUTPUT Cp tcp –sport 443 Cj ACCEPT
B . iptables CA INPUT Cp tcp –dport 443 Cj ACCEPT
C . iptables CI INPUT –dport 443 Cj ACCEPT
D . iptables CA OUTPUT Cp tcp –dport 443 Cj ACCEPT

Answer: C

Explanation:

Reference: https://www.linode.com/docs/security/firewalls/control-network-traffic-with-iptables/

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