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Advanced DNS

A 2 day
HANDS ON
training course

Advanced DNS

This two-day hands on DNS training course studies both the UNIX BIND and the Microsoft (MS DNS) implementations. The course follows on from our Total DNS for engineers course starting with best practices. The majority of the course is spent on securing DNS and in particular DNSSEC. Some parts are specific to BIND. Students choose whether to use Windows or UNIX for the hands on sessions.

Key outcomes from this course

By the end of the course delegates will be able to:
  • Implement DNS best practices.
  • Harden DNS servers.
  • Install, configure, maintain and troubleshoot DNSSEC.

Advanced DNS training course details

Who will benefit:
Technical staff wanting to learn DNS including:
Network personnel.
System administrators.
Prerequisites:
Total DNS for engineers
Duration:
2 days

Training approach

This structured training course seeks to build upon workbook learning through the use of group exercises, dynamic discussion and individual tasks in order to deliver an engaging and interactive module that will ensure all candidates are able to transfer their new skills into the workplace.

Overall ratings for this course:

Course review


"Hard concepts were explained very simply."
J. S., Framestore CFC
"Excellent presentation - very good course structure."
B. M., London Internet Exchange

Advanced DNS training course contents


Best practices
MX and PTR records, lame delegations, disallowing recursion, TTLs, online testing.
Hands on: Review of your DNS servers
Split DNS
Partitioning internal and external DNS, views.
Hands on: Implementing split DN
Hardening DNS
ACLs, recursion, queries, trusted sources, chroot jail, secure BIND template.
Hands on: Securing the DNS server
DNSSEC
What is DNSSEC? DNSSEC benefits, DNSSEC RRs. DNSKEY, RRSIG, NSEC, DS.
Hands on: Creating DNSSEC keys
Securing zone transfers
TSIG, shared secret. Securing DDNS.
Hands on: Secure file transfers.
Zone integrity
Trusted anchors, Chains of trust, Zone status, Zone signing, Keys. ZSK, KSK, adding keys to a zone file. Secure delegations.
Hands on: Zone signing

Why Choose Us

SNT trainers score an average of over 90% on the three main areas of:
  • Ability to teach
  • Technical knowledge
  • Answering questions
“Excellently presented by a very knowledgeable and enthusiastic trainer.” P.D. General Dynamics

We limit our maximum class size to 8 delegates; often we have less than this. This ensures optimal interactivity between delegates and instructor.
"Excellent course. The small class size was a great benefit…" M.B. IBM

We write our own courses; courseware does not just consist of slides and our slides are diagrams not bullet point text. A typical chapter provides clearly defined objectives with a chapter overview, slides with text underneath, a quiz at the end to check the learning of the students. Hands on exercises are at the end and are used to reinforce the theory.

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