Dwight Has Just Moved All of the Linux Servers from the VPC

Dwight has just moved all of the Linux servers from the VPC that they shared with some Windows servers to another VPC. Which of the following does he most likely need to do?

A) Remove the rules that allow port 53 from the firewall to the original VPC.
B) Remove the rules that allow port 22 from the firewall to the original VPC.
C) Remove the rules that allow port 443 from the firewall to the original VPC.
D) Remove the rules that allow port 3389 from the firewall to the original VPC.