Security Dns Request Using Dnssec Approach
Résumé: Domain Name System (DNS) is a primordial component of today’s Internet for mapping Internet names to addresses and is required for nearly every network transaction. There are however, some security problems with DNS, due to the vulnerabilities such as "cache poisoning", "denial of service attacks", Man In the middle… etc. The goal of our work consists to reinforce DNS security by implementing secured exchange keys between servers to protect internet from the attacks, hijack and the counter command DNS data. We made an application that provides the ability to validate authenticity and integrity of DNS messages in such a way that altering DNS information anywhere in the DNS system can be detected. A key exchange is made by asymmetric algorithm (Diffie-Hellman) encrypted (signature "SHA-1 with RSA").
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