Securing Networks™

Keep the good packets flowing and the bad ones out, just as easy as that sounds.

  •  Intrusion Detection & Prevention
  •  Two-Factor Authentication
  • Built-in NetFlow Analyser
  • IPsec, OpenVPN, ZeroTier VPN
  • Hardened Operating System
  • Open & Verifiable Sources (Github)
  • Suitable for any business size
  • Turn-key appliances that just work

High Quality Dutch Engineering

Designed and Made in The Netherlands, Europe

 New! OPNsense® Certified™ Appliances

Free E-Book with all Deciso appliances.
Unsurpassed Quality

Dutch Design – Rock solid hardware, developed by engineers that understand your business, focused on creating perfect products.

Sponsor of the OSI

Proud sponsor of the Open Source Initiative (OSI) and founder of the open source OPNsense firewall software. Deciso is a true believer in open source as an enabler for businesses. Sharing knowledge creates better products: the core tenet of open source and the primary driver for our success over the past 15+ years.

Services & Support

Over a decade of accumulated extensive knowledge and expertise.
We offer a full range of support services for businesses,  integrators and resellers. Whether you require implementation & configuration support or design and engineering expertise, we are available to get you started quickly.

Open Source 

High End Features

The feature set of OPNsense includes high-end features such as forward caching proxy, traffic shaping, intrusion detection and easy OpenVPN client setup.

Our partners

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Resellers & Distributors

Deciso offers high quality Dutch engineered OPNsense appliances, build in the Netherlands and sold worldwide. Become a partner and start offering our products and services to your clients.

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Deciso Sales B.V.

Edison 43
3241LS Middelharnis
The Netherlands
+31 187 744 020