What is the purpose of a Linux firewall rule "firewall-cmd --zone=public --add-port=10000/tcp"?
a. To allow traffic originating from the public zone to TCP port 10000 on the system to pass through the firewall
b. To allow traffic to an SSH server operating on the default port
c. To enable port forwarding from a public IP to a private IP for Webmin
d. This is not a set of options valid for a Linux firewall rule
e. To block traffic originating from the public zone to TCP port 10000 on the system to pass through the firewall
f. To connect the network interface card identified as number 10000 to the public zone of the firewall
