Beyond Default Deny: Reducing Attack Surface & Exposure in 2026
Stop Shodan and Censys from mapping your network. Learn how to use OPNsense 26.1, CrowdSec, and Divert Mode to achieve true Security through Obscurity in 2026.
Upgrading to OPNsense 26.1
The jump to OPNsense 26.1 changes how DHCP and DNS interact. Learn how to navigate Kea migration, fix subnet mask mismatches, and resolve Android Wi-Fi errors.
Advanced OPNsense Networking: Cloudflare Bypass, DNS/NTP Hijacking & SQM
Learn advanced OPNsense routing techniques including Cloudflare proxy bypass, DNS/NTP interception, and SQM bufferbloat fixes for high-performance homelab networks.
OPNsense Layer-7 Control: A Deep Dive into Zenarmor (Part 3)
In Part 1, we built the firewall (Layer 3/4). In Part 2, we hardened it with user accounts, 2FA,
OPNsense Hardening & Active Defense: Building the Inner Walls (Part 2)
In Part 1, we laid the foundation – installing OPNsense, assigning interfaces, and setting up initial block-lists. Your firewall is
OPNsense 26.1 Setup Guide: The Ultimate Homelab Firewall 2026 (Part 1)
SERIES
The OPNsense Architect
01
The Install
Part 1: How to Set Up OPNsense: The Ultimate Homelab Firewall
02
The
