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Domain Name System (DNS) Security

Author: Diane Davidowicz Published April 6, 2011 from Compsec101

The Domain Name System (DNS) is vital to the Internet, providing a mechanism for resolving host names into Internet Protocol (IP) addresses. Insecure underlying protocols and lack of authentication and integrity checking of the information within the DNS threaten the proper functionality of the DNS. The Internet Engineering Task Force (IETF) is working on DNS security extensions to increase security within the DNS, known as DNSSEC. These security issues and solutions are presented in this paper.

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