Windows Server 2012 R2 closes high-risk ports

1. Check whether the high-risk ports are closed: netstat -na

 2. Click [Start] -> [Administrative Tools] -> [Windows Firewall with Advanced Security], and follow the steps below to configure relevant policies.

        .1 Click Inbound Rules, and click New Rule on the right.

        .2 Click to select [Port], click Next.

          

        .3 Enter the 135 and 445 port numbers that need to be closed in [Specific local port], and then click Next.

       

        .4 Check Block the connection and click Next.

       

        .5 After clicking Next, check all three options and click Next.

      

        .6 Enter a name and tap Finish.