what command is used?

To close a Port on a Host’s Firewall, what command is used?

A.
esxcfg-firewall -e

B.
esxcfg-firewall -d

C.
esxcfg-firewall -c

D.
esxcfg-firewall -o

Explanation:
Close a port:
esxcfg-firewall -c 465,tcp,out