Firmware SNS V4.X

The latest version of SNS firmware

Take control of WAN links with SNS V4.3

Discover SD-WAN with a trusted and secure approach with SNS V4.3. A version that automatically optimizes internet connectivity in real time to fit the different SD-WAN uses. It improves communications between the organization's sites as well as access to Web and SaaS applications for a more fluid user experience.

Ensure better quality of service (QoS) for your different uses

  • Improved QoS engine
  • Finer precision
  • Mechanisms better adapted to current uses

Improve the quality of communications for your critical applications

  • Measure link quality: latency, jitter and packet loss
  • Get control and visibility of over these metrics
  • Automatically switch to another link in case of insufficient quality

Optimize your overall link management strategy

  • Global management of link failover in case of quality degradation
  • Application of a specific policy to certain networks
  • Toggle between MPLS routes and one or more VPN tunnels

Incredible performance
with SNS v4.x firmware

SNS V4.X Firmware
is also


SPNEGO authentication for Windows Server 2019

Multi-host authentication over SSH

Radius server configuration for better compatibility with MFA solutions

Enhanced VPN security

Increase VPN security

Secured storage TPM module used in SN3100

Redesign of proxy mechanism

Simplified DCERPC plugin

Refresh of the SSHD configuration

Export an identity or a certificate


SD-WAN: automatic, real-time optimisation of Internet connectivity

IPS analysis of TLS 1.3 and RDP over UDP protocols

Monitoring of throughput per VLAN

Control the messages with network segmentation

MAC address filtering

Support of ARPING

Optimised update of cluster

Responsive design of captive portal

Supervision of Wifi interfaces


Capturing network packets via the UI for troubleshooting

Modern, clear and streamlined interface

More synthetic dashboard

Faster visualization of logs

Diagnostics operations

Separate configuration and monitoring

Navigation with context conservation

New panel of certificates management

Deep Packet Inspection (DPI)

Keep in touch

For further information

What’s new in SNS V4.2

  • Enhanced overall security
  • General hardening of the embedded SNS firmware
  • Increased resistance against attacks attempting to exploit the firewall itself
  • Securing VPN links (reinforced IPsec VPN mode, aligned with the IPsec DR reference defined by the ANSSI)
  • Secured TLS 1.3 flows

What’s new in SNS V4.1

  • Significantly optimised HA failover time
  • DPI analysis of IEC 61850 protocols (MMS, Goose and SV)
  • Replacement of the ISP’s router by supporting additional DHCP options

What’s new in SNS V4.0

  • Support the growth of your network
  • Optimise your administration task
  • Optimise diagnostics with improved Monitoring and Configuration workflow
  • Manage network settings easily
  • Filter traffic by MAC address
  • Protect Profinet industrial environments
  • Increase VPN Security