APNIC Training

eDNS03: Securing the DNS

DeliveryeLearning (this course is conducted online)
Duration1 hour
Level of StudyIntermediate


The DNS (or the Domain Name System) is a distributed, hierarchical system for mapping domain names to IP addresses. As it plays a critical role in the functioning of the Internet infrastructure, the DNS is often the target of malicious activities.

This course will outline the vulnerabilities of the DNS protocol, as well as introducing ways of protecting DNS queries and the integrity of data.

Target Audience:

This course is aimed at systems administrators and those involved in DNS operations.


Knowledge of DNS operations is required. It is recommended that the participants atttend the eDNS01 and eDNS02 courses prior to attending this course.

Course Outline:

  • Security Vulnerabilities in DNS
  • DNS Attack Types
  • Securing the DNS Server
  • Server Protection with TSIG
  • Data Protection with DNSSEC

Other requirements:

  • Updated web browser with Adobe Flash Player 11 or above
  • Broadband connection running at a minimum of 256kbps or better
  • Headset (to reduce noise)

Maximum number of attendees:

50 participants per session


  • Free

All eLearning courses are free of charge for participants, with priority given to APNIC Members.

Upcoming Events


Download slides for this course (863.7 KB).