All posts
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OPNsense Initial Setup: Complete Installation Guide (2026)
Step-by-step walkthrough for installing OPNsense on a Protectli vault or mini-PC, covering installer options, interface assignment, WAN/LAN configuration, and first-boot hardening.
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OPNsense VLAN Configuration: Segment IoT, Guest, and Trusted Networks
How to create and enforce VLANs on OPNsense to isolate IoT devices, guest Wi-Fi, and your trusted LAN — with firewall rules that block inter-VLAN traffic by default.
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OPNsense Suricata IDS/IPS: Installation and Tuning Guide
Set up Suricata as an inline IPS on OPNsense — install the plugin, enable ET Open or ET Pro rulesets, configure alert actions, and tune to reduce false positives.
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Best Hardware for OPNsense in 2026: Protectli, Netgate, and Mini-PC Options
Tested hardware recommendations for running OPNsense: fanless Protectli vaults, refurbished mini-PCs, and purpose-built appliances — with throughput data and price tiers.
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OPNsense High Availability with CARP: Active-Passive Failover Setup
Configure OPNsense HA using CARP virtual IPs and pfsync state synchronization for sub-second firewall failover — step-by-step for a two-node homelab or small office setup.