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According to a Check Point Software report (2024), companies suffer on average more than 1 200 attacks per week, many of them targeting remote access and wireless networks. In this context, having robust firewall, VPN and Wi‑Fi solutions becomes essential for any organization that wants to protect its strategic data.
Open‑source services provide a unique answer: transparency, auditable security, flexibility and controlled costs. With professional technical support and the backing of a global open‑source community, enterprises can deploy reliable network infrastructures that meet the highest network‑security standards.
What are the open‑source firewall, VPN and Wi‑Fi solutions?
Open‑source firewall
A firewall is a system that monitors, filters and controls inbound and outbound traffic based on predefined rules. Open‑source solutions such as pfSense, OPNsense or iptables/nftables on Linux are widely used in open‑source network‑infrastructure projects.
They allow you to:
filter network packets by source, protocol or content;
- protect against Distributed Denial‑of‑Service (DDoS) attacks;
- create network‑segmentation rules tailored to enterprise software.
Open‑source VPN
A VPN (Virtual Private Network) creates a secure, encrypted tunnel between a user and a network. The most well‑known open‑source solutions include OpenVPN, WireGuard and strongSwan (IPsec). They provide:
AES‑256 or ChaCha20 encryption for data confidentiality;
strong authentication (X.509 certificates, public‑key pairs);
compatibility with hybrid environments (private cloud, on‑premise) and multi‑site infrastructures.
These solutions ensure that employees enjoy a secure connection even over an unreliable public Wi‑Fi.
Open‑source Wi‑Fi
Enterprise Wi‑Fi can rely on open‑source controllers and firmware such as OpenWrt, hostapd, or centralized management solutions like FreeRADIUS. These technologies enable:
fine‑grained access‑point management (multi‑SSID, VLAN);
- 802.1X authentication with digital certificates;
real‑time monitoring of wireless‑network performance.
Key benefits of open‑source solutions
1. Cost reduction
Proprietary network‑security solutions can cost tens of thousands of euros per year in licenses. Open‑source solutions cut these expenses while offering comparable functionality, with the possibility of paying only for technical support.
2. Flexibility and customization
An open‑source firewall can be tuned to specific business rules: application control, SSL inspection, LDAP/Active Directory integration.
Open‑source VPNs such as WireGuard allow lightweight configuration suitable for DevOps and continuous‑integration pipelines.
For Wi‑Fi, you can deploy custom captive portals or multi‑factor authentication mechanisms.
3. Security and transparency
With an open‑source service, the code is auditable by the open‑source community, limiting the risk of backdoors. Many open‑source projects undergo independent security audits.
Example: WireGuard is integrated directly into the Linux kernel since version 5.6, demonstrating its robustness and reliability.
4. Community and professional support
The open‑source community provides continuous vigilance: forums, documentation, rapid patches.
In parallel, companies such as LINAGORA deliver dedicated technical support, offering SLAs, training and proactive assistance to enterprises.
Services offered by LINAGORA applied to network security
Although LINAGORA Services’ official page does not explicitly list “firewall”, “VPN” or “Wi‑Fi”, the described services map perfectly to network‑security:
Open‑source consulting : strategic guidance to define the most suitable network architecture (segmentation, remote access, secure Wi‑Fi deployment).
Support and maintenance : continuous supervision of solutions, security updates of software, 24/7 assistance.
- Custom development : integration of open‑source projects into specific environments (IoT, sovereign cloud, data centers).
Training and skill transfer : ensure internal IT teams master the management of firewalls, VPNs and Wi‑Fi.
- Open Source Software Insurance : an insurance product that protects the use of critical open‑source solutions in enterprise.
Why choose LINAGORA?
Recognized expertise : for more than 20 years, LINAGORA has been a leading free‑software player in Europe, working with ministries, local authorities and large corporations.
Commitment to the community : active participation in open‑source projects and development of sovereign solutions.
Sovereignty‑first approach : LINAGORA favors on‑premise and private‑cloud solutions, guaranteeing technological independence from American or Chinese proprietary offerings.
- Premium technical support : expert accompaniment, contractual SLAs, proactive handling of network‑security incidents.
Technical integration examples
- Firewall + VPN : Firewall + VPN – deployment of a high‑availability pfSense cluster coupled with a WireGuard network for secure remote‑work access.
Secure Wi‑Fi : rollout of OpenWrt‑based access points managed via FreeRADIUS, with X.509‑certificate authentication.
Network‑security audit : review of firewall rules, detection of exposed ports, stress‑testing against simulated DDoS attacks.
These cases demonstrate the maturity of enterprise‑grade software originating from open source.
Ready to secure your infrastructures?
LINAGORA assists you in deploying firewall, VPN and Wi‑Fi solutions tailored to your needs.
Contact our experts for a free audit and discover the power of open‑source service applied to network security.
FAQ
Is an open‑source VPN as reliable as a commercial VPN?
Yes. OpenVPN and WireGuard are used by large platforms and undergo regular audits. Their direct integration into Linux and BSD systems reinforces reliability.
How does an open‑source firewall compare with a proprietary solution?
Open‑source firewalls such as OPNsense provide deep packet inspection (DPI), IDS/IPS (Suricata, Snort) and can compete with products like Fortinet or Palo Alto while reducing costs.
Are open‑source Wi‑Fi solutions suitable for large enterprises?
Yes. Projects like hostapd and FreeRADIUS handle thousands of concurrent connections with advanced authentication, ideal for campuses or multisite environments.
What should be done if a security flaw is discovered in an open‑source project?
The open‑source community usually releases patches quickly. With a technical‑support contract from LINAGORA, patches are integrated and deployed in your systems without delay.
Conclusion
Adopting open‑source firewall, VPN and Wi‑Fi solutions means combining transparency, performance and budget control. With expert guidance from LINAGORA, you enjoy the best of both worlds: the strength of the open‑source community and the reliability of professional technical support.
Transform your network infrastructure today by choosing an open, secure and sustainable model.
