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Introduction To DNS

Tue, Apr 3rd 2007: Melbourne, Australia: Linux Users Victoria

The Domain Name System is one of the fundamental building blocks of the Internet, but it's also surprisingly complex and poorly understood. This talk starts with concepts of what DNS is and goes on to cover issues such as:
  • Recursive vs Authoritative nameservers
  • How recursive lookups work
  • Delegation: granting authority
  • Policies and dispute resolution
  • Security issues: cache poisoning attacks
  • Useful tools
  • Popular DNS server software