Implementing Forward and Reverse DNS Resolution with BIND
Environment Preparation
Establish a stable network baseline before deploying the DNS service. Disable transient security modules and assign static addressing to both the authoritative server and the testing client.
# Temporarily disable SELinux and halt the firewall
sudo setenforce 0
sudo systemctl stop firewalld
# Assign static IPv4 parameter ...
Posted on Wed, 27 May 2026 18:23:33 +0000 by Boerboel649
Configuring Forward and Reverse DNS Zones with BIND on Primary and Secondary Servers
Begin by disalbing SELinux and the firewall on both servers, then install BIND:
# On primary (192.168.32.168)
setenforce 0
systemctl stop firewalld
yum install bind -y
# On secondary (192.168.32.169)
setenforce 0
systemctl stop firewalld # corrected typo from 'filewalld'
yum install bind -y
Configure static IP addresses using nmcli:
# Primar ...
Posted on Wed, 13 May 2026 20:55:06 +0000 by NogDog
Understanding the Evolution and Architecture of the Domain Name System
Early computer networks relied on numeric IP addresses for communication among a limited number of hosts. As the number of connected devices grew, memorizing these addresses became impractical. UNIX introduced a local hosts file mapping hostnames to IPs, later adopted by Linux and Windows. When central file distribution proved unscalable, the D ...
Posted on Fri, 08 May 2026 13:48:48 +0000 by McManCSU