Firewall
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OPNsense Port Forwarding: NAT Rules That Actually Work
OPNsense port forwarding needs a destination NAT rule plus a filter rule that matches the internal IP. Here is the correct order and the hairpin fix.
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OPNsense Firewall Rules Explained for Beginners
A beginner walkthrough of OPNsense firewall rules covering rule evaluation order, every field, block vs reject, aliases, and reading the live log.
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How to Install OPNsense on Proxmox VE: Step-by-Step Guide
A walkthrough of how to install OPNsense on Proxmox VE: WAN and LAN bridge setup, VM sizing, the installer wizard, and interface assignment.
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OPNsense vs pfSense for Homelab: Packages, Updates, IDS
A source-based OPNsense vs pfSense comparison for homelabs, covering updates, licensing, IDS/IPS, VPNs, plugins, and which use cases fit each.