Linux: BIND and DNS

1h 33mIntermediate2016-12-09

Authors

Chaim Krause

U.S. Army's Command and General Staff College

Course details

DNS is the workhorse underlying any network, and BIND is the most common Linux implementation of DNS. BIND allows you to create custom domains to serve emails and websites, and answer queries from around the world. This course covers how to configure BIND DNS on a CentOS 7 server, including coverage of different lookup records and zone types. Join instructor Chaim Krause as he shows how to create, verify, load, and test zone files and set up both basic and advanced name servers. Plus, learn how to add extra layers of security to protect your Linux systems from DNS attacks.

Learning objectives
Working with different types of name servers
Working with zone files
Setting up a basic name server
Creating, verifying, loading, and testing the zone file
Allowing queries from localnets
Configuring an advanced name server
Serving a website or email
Adding security

Skills covered

LinuxServer AdministrationNetwork AdministrationNetwork and System AdministrationOpen SourceDeep Dive (X:Y)

Concepts

0. Introduction

01 - Welcome
02 - What you should know

1. Installing BIND

03 - Installing BIND

2. Types of Name Servers

04 - Caching name server
05 - Forwarding name server
06 - Authoritative-only name server
07 - Mixed-configuration name servers

3. Zone Configuration File

08 - Zone config files
09 - $TTL
10 - $ORIGIN
11 - SOA
12 - NS
13 - MX
14 - A
15 - CNAME
16 - PTR
17 - Other zone files

4. Basic Name Server Setup

18 - Get ready
19 - Create and verify the zone file
20 - Load and test the zone file
21 - Allow queries from localnets
22 - Reverse zone file
23 - External zone file

5. Advanced Name Server Setup

24 - Configure a secondary name server
25 - Register a name server
26 - Updating zones
27 - Serve a website
28 - Third-party email server setup
29 - MX and SPF records for email

6. Security Concerns

30 - TSIG
31 - RNDC
32 - DNSSEC

Conclusion

33 - Next steps