OPNsense® is an open source, feature rich firewall and routing platform, offering cutting-edge network protection.
We've made digital security accessible to everyone. With our free OPNsense® platform, you get all the features of expensive commercial firewalls and more. Enjoy open and verifiable sources in a product developed with and for a large user community.
Firewall
Stateful firewall with support for IPv4 and IPv6 and live view on blocked or passed traffic.
Multi WAN
Virtual private networking
Hardware failover
Reporting & monitoring
Intrusion prevention
Try OPNsense® today!
The only open source security platform with a simplified 2-clause license (BSD/MIT license) is just one click away…
Our community is crucial in shaping the ongoing development of our open-source OPNsense® software products.
With over 300.000 participants worldwide, our community is not just a collective; they’re our partners in progress. This collaborative and continuous pursuit of improvement is at the core of our ethos.
We recognize the power of Open Source and commit to supporting it. We value community feedback, engaging with users to ensure our products evolve with the dynamic digital landscape. Community testing helps us update software swiftly and develop our roadmap efficiently.
Read what our talented community members are saying about OPNsense®
The OPNsense® Business Edition is designed for companies, enterprises, and professionals seeking turnkey, high-end security solutions without the hassle.
The free version of our software serves as a dynamic platform where we test and refine new features before incorporating them to the Business Edition. The paid version unlocks premium features and advanced tools, providing a selective upgrade path with extra commercial benefits.
Purchasing the paid version also supports the project, ensuring our community continues to benefit from ongoing innovation and improvement.
A 5-star experience
- Commercial firmware repository
- Official OPNsense® Open Virtualisation Image
- Free E-Book (English & German)
- Free E-learning course: Hands-On Labs for Beginners
- Extra Professional features:
- Web Application Firewall
- Proxy Access
- Extended Blocklist
- OPNcentral™
- Integrated GeoIP database
Hardware purpose-built for OPNsense. Exceptional performance per watt. Reliable, turnkey solutions that simply work.
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 appliances, our product range is built for ease of use, seamless deployment, and long-term reliability.