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Linux Essentials for Cybersecurity, First Edition by William Rothwell, Denise Kinsey

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Chapter 20 Network Service Configuration: Essential Services

As an administrator, you should know how to correctly set up and secure key network servers. In this chapter, you explore some of these servers, including DNS, DHCP, and mail servers.

You will start by learning key component of the Doman Name Service (DNS) and how to configure a BIND DNS server. Then you learn how to set up a Dynamic Host Configuration Protocol (DHCP) server and discover how this server can interact with a DNS server.

This chapter concludes with an in-depth discussion on email services, including setting up and configuring Postfix, procmail, and Dovecot.

After reading this chapter and completing the exercises, you will be able to do the following:

Configure and secure ...

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