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.