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6. Network Administration > Lesson 2: Implementing DNSSEC

Lesson 2: Implementing DNSSEC

DNS provides a user-friendly way of naming hosts and services on a TCP/IP network. DNS servers perform name resolution to convert DNS names into IP addresses so that DNS clients can access network services. DNS servers thus play a critical role in enabling users and applications to locate hosts and services on the network or on the Internet. However, no authentication or integrity checking is done when name resolution is being performed using traditional DNS. As a result, communications between DNS clients and servers is inherently insecure, and by spoofing DNS traffic or otherwise poisoning the DNS cache on clients, an attacker could hijack network communications and redirect users and....


  

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