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  1. OPNsense® is an open source, feature rich firewall and routing …

    Our official OPNsense hardware is engineered from the ground up – in Europe – combining premium quality, performance, and sleek design. From compact, fanless desktops to powerful, rack-mountable …

  2. OPNsense - Wikipedia

    OPNsense is an open source, FreeBSD -based firewall and routing software developed by Deciso, a company in the Netherlands that makes hardware and sells support packages for OPNsense. …

  3. Complete OS Guide: OPNsense How It Works, Orientation and …

    Sep 4, 2025 · What Is OPNsense? OPNsense is an operating system that transforms general-purpose hardware into a secure network gateway. It combines the power of the FreeBSD operating system …

  4. Getting Started with OPNsense: A Beginner's Guide

    Oct 25, 2023 · OPNsense is an open-source, FreeBSD-based firewall and routing software developed by Deciso, a Dutch business that manufactures hardware and sells support packages for OPNsense.

  5. Guide: Build your own router/firewall with Opnsense | PCWorld

    Dec 27, 2024 · The Home Network Guy blog has several guides on Opnsense, from installation to more advanced topics like VLAN. It also has a very good YouTube channel that I highly recommend.

  6. About Us - shop.opnsense.com

    OPNsense is an open source, easy-to-use and easy-to-build FreeBSD based firewall and routing platform. OPNsense includes most of the features available in expensive commercial firewalls, and …

  7. Download - OPNsense

    Get the complete 4th Edition of Practical OPNsense® by Markus Stubbig with the OPNsense® Business Edition license as E-book. Or buy your copy online from Amazon

  8. Install OPNsense - Thomas-Krenn-Wiki-en

    OPNsense is an Open Source Firewall Distribution based on the FreeBSD operating system and its packet filter pf. In this article we will show you how to install OPNsense and perform an initial …

  9. OPNsense® - OPNsense

    OPNsense® is an open-source, user-friendly firewall and routing platform that combines the extensive features of commercial products with the advantages of open and verifiable sources.

  10. Welcome to OPNsense’s documentation!

    OPNsense® is an open source, easy-to-use and easy-to-build FreeBSD based firewall and routing platform. OPNsense includes most of the features available in expensive commercial firewalls, and …