Update the system and configure firewall
Update all system packages and configure the firewall to allow DNS traffic on port 53:1
Update system packages:
Bash
2
Configure firewall rules to permit DNS traffic:
Bash
Install build tools and development libraries
BIND 9 and pkcs11-provider require compilation from source. Install the necessary compilers, build tools, and development libraries:1
Install the EPEL repository and enable the CRB (CodeReady Builder) repository for additional development packages:
Bash
2
Install OpenSC for PKCS#11 utilities:
Bash
3
Install core build tools and libraries required for BIND compilation:
Bash

