You are the network administrator for The network consists of a single Active Directory domain. The domain contains 20 Windows Server 2003 computers and 400 Windows XP Professional computers. Software Update Services (SUS) is installed on a server named Testking2. The network security administrator wants you to ensure that the administrative password is not compromised when an administrator connects to Testking2's SUSAdmin Web site remotely by using HTTP. You want only SSL to be used to connect to the SUSAdmin Web site. The network security administrator creates a digital certificate and enables communication for SSL on port 443 of Testking2. However, administrators are still able to connect to the SUSAdmin Web site by using HTTP. You need to ensure that communication to the SUSAdmin Web site is always secure. What should you do?（）

A. Disable port 80 on the SUSAdmin Web site.
B. Require 128-Bit SSL on all directories related to the SUSAdmin Web site.
Change the default Web site to require 128-Bit SS
D. Enable IPSec on Testking2 with the Request Security IPsec template.