A new on-premises application server was recently installed on the network. Remote access to the server was enabled for vendor support on required ports, but recent security reports show large amounts of data are being sent to various unauthorized networks through those ports.
Which of the following configuration changes must be implemented to resolve this security issue while still allowing remote vendor access?
A . Apply a firewall application server rule.
B . Whitelist the application server.
C . Sandbox the application server.
D . Enable port security.
E . Block the unauthorized networks.
Answer: B