Secure the server cache against names pollution

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

You can use the following procedure to secure the server cache against names pollution. This setting is enabled by default.

Administrative credentials

To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure. As a security best practice, consider using the RunĀ as command to perform this procedure.

Secure the server cache against names pollution

To secure the server cache against names pollution

  1. Open the DNS snap-in.

  2. In the console tree, click the applicable DNS server.

    Where?

    • DNS/applicable DNS server
  3. On the Action menu, click Properties.

  4. Click the Advanced tab.

  5. In Server options, select the Secure cache against pollution check box, and then click OK.

Note

To open the DNS snap-in, click Start, point to Administrative Tools, and then click DNS.