{"id":2933,"date":"2026-01-13T08:44:05","date_gmt":"2026-01-13T08:44:05","guid":{"rendered":"https:\/\/inprotech.es\/?p=2933"},"modified":"2026-01-13T08:44:05","modified_gmt":"2026-01-13T08:44:05","slug":"protect-and-optimize-your-network-with-opnsense","status":"publish","type":"post","link":"https:\/\/inprotech.es\/en\/protect-and-optimize-your-network-with-opnsense\/","title":{"rendered":"Protect and optimize your network with OPNsense"},"content":{"rendered":"

Today, cybersecurity is a necessity for any network, whether domestic, business, or industrial.\u00a0<\/span><\/p>\n

Protection must be accessible to everyone, regardless of the size or budget of the infrastructure. In this article, we will explore OPNsense, an open-source firewall that offers advanced security and flexibility.\u00a0<\/span><\/p>\n

In addition, we will see how InprOTech GUARDIAN integrates with different firewalls to offer optimal cybersecurity service, especially in industrial environments.<\/span><\/p>\n

History and origin<\/b><\/h2>\n

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OPNsense was born in January 2015 as a <\/span>fork <\/span><\/i>of pfSense, which in turn descends from the m0n0wall project. The main motivation for this separation was to have a clearer code base, a more open development community, and a BSD license that offered greater flexibility. Since its inception, the project has remained an open initiative in which users and developers from around the world collaborate, backed by the company Deciso, which also manufactures hardware optimized for OPNsense and offers professional support. The pace of development is steady: two major releases are published each year, supplemented by biweekly security updates. OPNsense Business Edition is qualified in the <\/span>CPSTIC<\/b> (Catalog of ICT Security Products and Services) for use in accordance with <\/span>ENS<\/b> in specific versions evaluated by the CCN. With this model, the project combines sustained evolution and verifiable guarantees for public and private environments.\u00a0<\/span><\/p>\n

Architecture and components<\/b><\/h2>\n

The strength of OPNsense lies not only in its intuitive interface, but also in the solid architecture on which it is built. Here are some of the fundamentals and modules that bring it to life:<\/span><\/p>\n

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System base<\/b><\/h3>\n

OPNsense is based on FreeBSD, a robust and mature operating system that is widely recognized in the networking world, inheriting stability, performance, and a well-proven ecosystem of utilities.\u00a0<\/span><\/p>\n

Its design follows a modular logic, where each component fulfills a specific role and can be extended or updated. Its BSD license reinforces the open nature of the project, allowing both companies and independent users to contribute and reuse the code.<\/span><\/p>\n

Network interfaces and roles<\/b><\/h3>\n

Flexibility in interface management is another of its strengths. OPNsense supports IPv4 and IPv6 and allows you to define different network roles:<\/span><\/p>\n