Who is Deciso?
Deciso is a Dutch networking and security vendor that develops and manufactures open-source-based appliances and software platforms for routing, firewalling, and edge connectivity in enterprise and service provider environments.
- Open-source-based firewall and routing appliances for business and service provider networks (network security)
- Hardware platforms optimized for open-source networking and security software (network infrastructure)
- Solutions for Virtual Private Network (VPN), traffic shaping, and multi-WAN connectivity at the network edge (secure connectivity)
- Management and monitoring capabilities for deployed appliances and services (network management)
- Consulting, customization, and support services around its networking and security platforms (professional services)
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More About Deciso
Deciso focuses on open-source-based networking and security solutions that enterprises, managed service providers, and public-sector organizations deploy as perimeter firewalls, secure gateways, and edge routers. Its portfolio centers on appliances and software platforms that implement firewalling, routing, VPN, and related security functions, positioned as building blocks for secure network infrastructures in data centers, branch locations, and cloud-connected environments.
The company’s hardware appliances (network security, network infrastructure) are designed to run open-source firewall and routing platforms, using x86-based architectures and network interface configurations that support multiple Ethernet ports, Virtual LAN (VLAN) segmentation, and various throughput profiles. These appliances are typically used as next-hop gateways, site-to-site VPN endpoints, or Customer Premises Equipment (CPE) in multi-tenant networks. Enterprises use them to segment internal networks, enforce access control policies, and terminate encrypted tunnels using standard protocols such as IPsec and SSL/TLS-based VPNs.
Deciso’s platforms support common network security functions, including Stateful Packet Inspection (SPI), Network Address Translation (NAT), and layer 3/4 access control lists. In many deployments, organizations configure features such as traffic shaping, Quality of Service (QoS) policies, and multi-WAN failover or load-balancing to manage bandwidth and resilience across branch offices or hybrid-cloud connections. This places Deciso solutions in the same broad category as unified threat management firewalls and Next-Generation Firewall (NGFW) appliances, although the feature set and focus depend on the underlying open-source software stack and specific hardware model.
From an architectural perspective, Deciso offerings are typically integrated into standards-based IP networks and interoperate with routing protocols, VPN standards, and authentication systems that enterprises already use, such as RADIUS or directory-backed user management. The appliances and software can be managed through web-based interfaces and APIs where available, supporting configuration backup, firmware updates, and policy management. This supports use in distributed environments where central IT teams standardize on templates for security policies and network services.
For marketplace categorization, Deciso fits into network security, firewall and VPN appliances, and edge networking hardware. Its hardware platforms and associated services address scenarios such as branch office connectivity, secure remote access, and customer-edge routing in managed networks. Professional services, customization, and support offerings complement the appliances by helping organizations design, deploy, and maintain their network security and connectivity architecture using Deciso’s open-source-centered approach.
Our description of Deciso. Updated January 2026.
