The research of DNS safe analysis and defense technology

Abstract

DNS Service is the basic support of Internet, which security plays a vital role in the entire Internet. With the constant deepening of network application, DNS has been the hot spot goal of DDoS attack. In view of the characteristics of DNS service construction, this paper analyzes the security problem which DNS faces, especially the principle of DNS spoofing attack and DNS cache poisoning attack, and puts forward some corresponding methods and defense programs. In conclusion, to different kinds of users, they can use practical and effective defense measures according to their conditions and demand levels of information security. © 2013 Springer-Verlag.