Defending your DNS: best practices for reliable DNS and DHCP

Friday, 13 June 2003, 3:44 PM EST

Well-publicized attacks against Domain Name System (DNS) root servers and top-level domains highlight the vulnerability of the DNS infrastructure. Many CIOs are looking for ways to ensure secure, reliable network services.

We've identified design principles and best practices for resilient, reliable Dynamic Host Configuration Protocol (DHCP) and DNS services. DNS is the protocol and global network of servers that translate host names into Internet Protocol addresses. Before taking action, prioritize the risks to your network and identify the potential threats you may face.

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