Make Changes in DNS Server Configuration File "/etc/named.conf" | Mastering BIND DNS Server

Demo of configuring “named.conf” for implementing master DNS server.

The "named.conf" file is the main configuration file for the BIND DNS server, which is used to implement a DNS infrastructure. When the BIND DNS server is started, it reads this file to determine how it should operate.

Here's a brief overview of some of the main sections and directives in the "named.conf" file that are relevant for setting up a master DNS server:

options: This section contains global options that apply to the entire server. This includes settings like the server's hostname, the location of log files, and the default TTL (time to live) for DNS records.

acl: This section defines access control lists, which are used to control which clients are allowed to perform certain DNS operations on the server. For example, you might use ACLs to restrict zone transfers to specific IP addresses.

zone: This section defines the zones that the server is authoritative for. Each zone directive specifies the zone name and the location of the zone file. For a master server, the zone file contains the authoritative DNS records for the zone.

include: This directive allows you to include additional configuration files from other locations on the server. This is often used to break up a large configuration file into smaller, more manageable pieces.

logging: This section specifies how the server should log messages. You can configure the logging level and the location of the log files.

DNS (Domain Name System) is critical component of networking. But very few persons are capable of handling DNS properly. This course will start from basic and slowly and slowly will takes you towards advanced concepts. For this course, we are using CentOS 7 Linux distribution and implementing BIND DNS.

We will be combining various server with DNS.

- Using Apache Web Server with DNS to implement Named based and IP based virtual hosting.
- Use VSFTPD (Very Secure File Transfer Protocol Daemon) server with DNS
- How to configure Postfix Mail Server (Simple Mail Transfer Protocol)
- How to configure Dovecot (Post Office Protocol, Internet Messaging Application Protocol)
- How to configure DNS for implementing Mail Server
- How to configure SquirrelMail for web access.

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