Your network contains one Active Directory domain. You have a member server that runs Windows Server 2008.You need to immediately disable all incoming connections to the server. What should you do？（）
A. From the Services snap-in，disable the IP Helper.
B. From the Services snap-in，disable the Netlogon service.
C. From Windows Firewall，enable the Block all connections option on the Public Profile.
D. From Windows Firewall enable the Block all connections option on the Domain Profile.
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