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How do I disable recursive DNS queries on my Linux dedicated/virtual dedicated server?

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Last Updated: September 17, 2007 10:26 AM

For information on recursive DNS, see What risks are associated with recursive DNS queries?.

NOTE: To perform this procedure, you must be the root user on your server.

To Disable Recursive DNS Queries

  1. Using SSH, log in to your server with the User ID and Password that you created when you set up your dedicated hosting account.
  2. At the command line, type the following and press Enter.
    su -
  3. Type the following three commands and press Enter after each.
    cd /tmp/
    wget -O rdnsfix http://products.secureserver.net/scripts/rdnsfix
    php -c /r rdnsfix