You have a server that runs Windows Server 2008. You need to prevent the server from establishing communication sessions to other computers by using TCP port 25. What should you do（）

• A、 From Windows Firewall， add an exception
• B、 From windows Firewall enable the block all incoming connections option
• C、 From the Windows Firewall with Advanced Security snap-in， create an inbound rule
• D、 From the Windows Firewall with Advanced Security snap-in， create an outbound rule.