Lessons

Just the Basics

[Sep 19, 2026] Binary and Hexadecimal

Networking

UNIX/POSIX

[Sep 19, 2026] Filesystem Hierarchy
[Oct 14, 2026] Create FreeBSD Bootable Image on Windows
[Oct 14, 2026] Installing FreeBSD

DNS - Domain Name System

[Sep 19, 2026] What is DNS and How does it Work?
[Sep 19, 2026] BIND: A Basic DNS Server
[Oct 19, 2026] A Deep Dive into how the DNS Protocol Works
[Sep 19, 2026] BIND: Setting up Remote Name Daemon Control(RNDC)
[Sep 19, 2026] BIND: Understanding Recursion
[Sep 19, 2026] BIND: Collecting Statistics and Logging
[Sep 19, 2026] BIND: Access Controls
[Sep 19, 2026] BIND: Security and Performance Settings
[Sep 19, 2026] BIND: Adding Authoritative Zones
[Sep 19, 2026] BIND: Response Policy Zones(RPZ) aka DNS Firewall
[Sep 19, 2026] BIND: Catalog Zones
[Sep 19, 2026] BIND: Adding a Slave Server
[Sep 19, 2026] BIND: Zone Management with GSS-TSIG (Kerberos/Active Directory)
[Sep 19, 2026] BIND: Signing Records with DNSSEC
[Sep 19, 2026] BIND: Encrypted DNS with DoT and DoH
[Sep 19, 2026] BIND: DNS Views and GeoIP
[Sep 19, 2026] BIND: Tracking Changes with RCS
[Sep 19, 2026] Common DNS Mistakes

Kerberos

[Sep 19, 2026] Understanding Kerberos
[Sep 19, 2026] MIT Kerberos: Basic Configuration
[Sep 19, 2026] MIT Kerberos: Configuring Kerberos with LDAP

Encryption

LDAP - Lightweight Directory Access Protocol

Electronic Mail

SMTP - Simple Mail Transport Protocol