OPNsense: Network security on a new level

OPNsense is a powerful open source firewall and network security platform from the Netherlands. At Open Circle, OPNsense is used as a key component of our Firewall & Network solution. In this article, you will find out what makes OPNsense special, what advantages the platform offers and why Open Circle has chosen this strong partnership.

What is OPNsense?

OPNsense is a powerful, modular network security platform that combines various security functions such as firewall, VPN, intrusion detection and web filtering in a single solution. As an open source solution, OPNsense offers companies the flexibility to customize their network security. Thanks to the transparency of the source code, your company remains independent at all times.

Which company is behind OPNsense?

The Dutch company Deciso is behind OPNsense. Deciso B.V. is a global manufacturer of network equipment and offers both hardware and software solutions that ensure the protection of digital infrastructures. Founded in 2000, Deciso has a strong focus on open source technologies.

What advantages does OPNsense offer?

OPNsense offers companies decisive advantages in terms of security, functions, performance, flexibility, technology, community, user-friendliness, expandability and costs. Here are the most important advantages of OPNsense:

Security & Functions

OPNsense is a Next-Generation Firewall (NGFW) with Deep Packet Inspection (DPI) and Intrusion Detection & Prevention (IDS/IPS). Traffic shaping and web filtering can be added or removed as required. Thanks to Zero Trust Security, it offers strong access controls and comprehensive VPN integration. Weekly updates ensure that security is always up to date.

Performance & flexibility

The firewall runs efficiently on various x86 platforms such as APU boards, Protectli and DECISO hardware. Optimized firewall rules ensure minimum overhead and maximum speed. In addition, high availability (HA) with CARP enables redundant firewall clusters for reliable protection.

Open Source & Community Support

As OPNsense is open source, there are no artificial restrictions. You have complete transparency and control over your system as the source code is freely accessible. OPNsense is supported by a dedicated developer community. The global security community can search for vulnerabilities at any time and actively helps to fix them. If required, companies receive further support from Deciso, the company behind OPNsense. The strong community and continuous development make OPNsense particularly secure and up-to-date.

User-friendliness

OPNsense offers a modern web interface with an intuitive GUI, clear structure and clearly laid out dashboard. The simple configuration and integrated backup function enable quick setup. In addition, comprehensive logging and monitoring provide detailed logs and real-time analysis.

Extensibility

OPNsense offers a versatile plug-in architecture that makes it easy to add functions such as VPN (WireGuard, OpenVPN, IPsec), proxy (Squid) and web filtering (Sensei). Thanks to APIs for automation, the firewall can be seamlessly integrated into existing network infrastructures.

Costs & license model

OPNsense is free and comes with no license fees, making it ideal for businesses and home users. For business-critical deployments, Deciso offers enterprise support packages that ensure professional support and long-term security.

OPNsense compared to other firewall solutions

Compared to commercial providers such as Fortinet, Cisco or Sophos, OPNsense offers a cost-effective, flexible and customizable solution with a high level of security and user-friendly management. Its open source nature and active community make OPNsense an excellent choice for organizations looking for an extensible, scalable and future-proof network security solution.

The OPNsense solutions from Open Circle

Open Circle supports Swiss companies in the implementation and management of OPNsense and offers comprehensive services.

Fully managed firewall solution

With our fully managed Firewall & Network offering, we take care of everything – from implementation and monitoring to ongoing maintenance of your firewall. This keeps your network secure and efficient at all times, without any additional work.

Integration in IT Administration Cockpit

Open Circle has fully integrated OPNsense into its IT Administration Tool Cockpit. Customer firewalls are taken over by the asset tool and monitored centrally in the Cockpit. Backup configurations can be viewed at any time and firewall updates are carried out automatically.

Individual consulting

For companies that want to manage OPNsense themselves or implement special requirements, we offer customized consulting on request. Our experts provide support in the optimal configuration, expansion and adaptation of the firewall solution. Training and education complete our offer.

Conclusion: Security and flexibility with OPNsense and Open Circle

With OPNsense and Open Circle, you get a future-proof and secure firewall solution. Contact us – we will help you create an IT security solution that will pay off in the future!

Sources

OPNsense https://opnsense.org/about/about-opnsense/
Deciso: https://www.deciso.com/