Specific steps for a computer to protect a DNS server

Network coverage is extensive, as long as the user in the network is in danger, so the DNS server also need to protect, protection configuration steps as follows:

Step 1: Open the DNS window.

Step 2: On the XP system download the appropriate DNS server node in the right-click console tree, execute the Properties command, as shown in Figure 1.

Figure 1 "Properties" command

Step 3: In the pop-up dialog box, select the Advanced tab, set as shown in Figure 2.

Figure 2 "Advanced" tab

Step 4:ghost XP in the Server Options list box, select the Protect cache against contamination check box, and then click OK, as shown in Figure 3.

Figure 3 Server Options