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 snp-in disable the net logon service.
• C、From windows firewall. Enable the block all connections option on the public profile.
• D、From the windows firewall, enable the block all connections option on the domain profile.