IT customer service training

Description


This one-day professional level DNS training seminar will show you how to configure the most recent version of BIND for name resolution in a TCP/IP network. You'll learn the history of DNS and BIND from its inception to the present day. Then, you'll learn how to configure a basic DNS installtion including domain name selection, setting up a zone, and setting up the BIND configuration files. You'll see the differences between the different types of name servers including primary masters, secondary masters, caching, and forwarding. We'll show you how to use DNS with mail by setting up MX records. You'll learn how to set up the resolver for host name resolution. We'll explain the key points in adding servers and, as your network grows, adding child domains. We'll explain advanced concepts including zone transfer options, forwarding, the use of ACLs, load distribution, and system tuning. You'll learn the critical tools for managing and troubleshooting BIND DNS including rndc, nslookup, dig, and host. We'll end the day with a look at security options and future considerations with DNS and BIND.

Bring this Workshop Onsite to Your Location. Small or large groups; Save on travel expense and time away from the office by bringing the training right to your door.  Request a quote.

Course Objectives

BIND DNS Training

  • How to design and deploy DNS using BIND 9
  • How DNS works to provide name resolution
  • Where to get BIND
  • The fundamentals of setting up DNS with BIND
  • How to configure BIND for electronic mail
  • The key considerations in configuring hosts
  • The most important points of maintaining BIND
  • Basics of security with BIND
  • How to use tools including rndc, nslookup, dig, and host
  • Troubleshooting DNS and BIND
  • Future considerations including IPv6 and DNSSEC

Certifications and Exams

This is a professional-level seminar designed for working IT professionals who need a better practical understanding of BIND DNS. It is not designed as a "test-prep" course, although some of the knowledge gained will be of benefit to those who are preparing for Linux+ or LPI certification examinations. Certification candidates are strongly encouraged to carefully review exam objectives to determine if this seminar is appropriate for them.

Who should attend?

This professional-level BIND DNS training seminar is designed for IT professionals who are responsible for installing, configuring, supporting, optimizing, and troubleshooting DNS systems using BIND. Attendees include network administrators and engineers, system administrators and engineers, DNS administrators, and anyone responsible for name resolution services in an organization.

Course Outline

Module One: Background

  • What is DNS?
  • The Internet and internets
  • DNS in a Nutshell
  • The Structure of the DNS Database
  • History of BIND
  • Is DNS Required?
  • How Does DNS Work?

Module Two: The Domain Name System

  • Definitions
  • The Domain Name Space
  • The DNS Tree
  • Domain Names
  • The Internet Domain Name Space
  • The Generic Top-Level Domains
  • The Country Code Top-Level Domains
  • .arpa
  • ICANN
  • Name Servers and Zones
  • Zones and Domains
  • Types of Name Servers
  • Understanding Zone Transfer
  • Resolvers and Types of Queries
  • Other Name Servers: Caching-Only, Forwarders, Root Name Servers
  • Mapping Addresses to Names

Module Three: Getting BIND

  • Where do you get BIND
  • Compiling from source code
  • Setting Up BIND

Module Four: Setting Up Zone Data

Setting Up a BIND Configuration File

  • Resource Records
    • A records
    • CNAME records
    • MX records
    • NS records
    • PTR records
    • SOA record
    • SRV records
    • TXT (SPF) records
  • Abbreviations
    • Appending domain names
    • The @ notation
    • Repeat last name
  • Host Name Checking
  • How to use the h2n utility to generate zone database files

Module Five: DNS and Email

  • What?is a Mail Exchanger?
  • Setting preferences
  • The MX Algorithm
  • Understanding the basics of MX records
  • Understanding the basics of Sender Policy Framework (SPF)

Module Six: The Resolver

  • Setting the search order
  • Setting the search domain(s)
  • Sample Resolver Configurations

Module Seven: Controlling the Name Server

  • Updating Zone Data Files
  • Checklist for Updating Zone Files
  • Logging in BIND
  • Sample Logging Configuration
  • How to Understand Channels and Categories

Module Eight: Design Considerations

  • How Many Name Servers?
  • Name Server Placement
  • Capacity Planning

Module Nine: Security

  • BIND version updates
  • Compiling from source or using vendor updates
  • Understanding chroot
  • Running BIND in a chroot jail
  • TSIG: Transaction signatures
  • Access control lists

Module Ten: Tools for managing and troubleshooting

  • Using rndc
  • Using nslookup
  • Using dig
  • Using host
  • Using named-checkconf
  • Using named-checkzone
  • Using h2n
  • Other DNS tools

Module Ten: Future considerations

  • IP version 6
  • Implementing and testing IPv6 configurations
  • DNSSEC
  • Additional resources

Prerequisites

This is a professional-level seminar. Prospective students should have attended soundtraining.net's Linux server training workshop or have familiarity and experience working with Linux or UNIX systems prior to enrolling.

Schedule

One day

  • Morning session: 9:00 a.m. to 11:45 a.m.
  • Lunch (on your own): 11:45 a.m. to 12:45 p.m.
  • Afternoon session: 12:45 p.m. to 4:00 p.m.

There will be a fifteen minute break in the morning and afternoon sessions.

 

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