You have been asked to implement defense in depth for network access to a system, where a web server will be running on an Internet-facing network interface. Which is NOT contributing to the defense in depth?

A.
running the web server in a zone

B.
using svcadm to disable unused services

C.
using IP Filter to limit which network ports can be accessed from the Internet

D.
using VLANs on a single network interface instead of using multiple network interfaces

E.
using TCP wrappers to limit from which system SSH be used to connect to the system