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DNS SEC Last modified: Thursday, December 27, 2007
Short for DNS Security Extensions, DNS SEC is a set of extensions used to add an additional layer of security to the Domain Name System (DNS). DNS SEC was designed to prevent specific types of popular attacks on the Internet and protect against these threats to the Domain Name System. The specific extensions provide origin authentication of DNS data, data integrity and also to authenticate denial of existence. May also be seen written as DNSSEC.
A Formal-Specification Based Approach for Protecting the DNS (PDF) In our approach, we use formal specifications to characterize DNS clients and DNS name servers. DNS, DNSSEC and the Future Best practices move us towards secure authentication of the information held in the DNS structure by means of the DNS Security Extension (DNSSEC). Webopedia's Quick Reference Section Use this Webopedia reference section for information on common Internet and computer facts and occurrences.	Related Categories Domain Name System Internet Protocols Related Terms authentication Berkeley Internet Name Domain DNS Internet security