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

View Answer

Answer: C

Explanation:

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