Getting started

Welcome to the Stormshield Network Security & Tools life cycle guide.

It contains information on managing the various versions of products in the range, notably versions on which Stormshield provides technical support and maintenance, compatibility with third-party products and operating systems, and the version upgrade policy.

For information on a particular SNS version, refer to the section on Versions in this guide, and to the SNS v4 or SNS v5 Release Notes, depending on the SNS firmware version used. For more information on physical firewalls in the range, refer to the section Physical firewalls.

Date	Description
October 22, 2025	SNS versions compatibilities updated (hypervisors) VPN SSL Client 5.1 version and compatibilities updated Announcement of "End of Maintenance" and "End of life" dates for SSL VPN Client 4.0
September 24, 2025	Release of SNS 5.0 EA SNS versions compatibilities updated (additional software, external authentication servers and OpenID Connect added) "End of maintenance" dates for SNS 4.3 LTSB updated Announcement of change to the "Lowest SNS version" for Extended Web Control as of 01/01/2026
September 15, 2025	SNS versions compatibilities updated (external authentication servers, hypervisors) SSO Agent compatibilities updated SMC compatibilities updated (hypervisors)
August 8, 2025	SNS firmware versions updated Virtual firewalls compatibilities updated (hypervisors)
July 25, 2025	Changes to the "Lowest SNS version" for VPN SSL Client 5.1 EA
July 22, 2025	Release of VPN SSL Client 5.1 EA VPN SSL Client compatibilities updated
July 10, 2025	End of validity of EAL3+ Common Criteria certification for SNS 3.7.9
June 10, 2025	Release of SMC 3.8 SMC compatibilities updated
May 26, 2025	Virtual firewalls compatibilities updated (public clouds tested)
May 09, 2025	VPN SSL Client compatibilities updated
March 18, 2025	TS Agent compatibilities updated Release of SMC 3.7.1 SMC compatibilities updated
February 25, 2025	Virtual firewalls compatibilities updated (hypervisors, public clouds tested) Announcement of "End of Sales" and "End of Life" dates, as well as highest SNS version for Standard Antivirus service
February 18, 2025	Back to SMC 3.6
December 17, 2024	Release of SMC 3.7 SMC compatibilities updated Announcement of "End of Maintenance" and "End of life" dates for SMC 3.6 Certification/Qualification for SNS 4.3 by the CCN (Spain) added
November 20, 2024	Changes to the "End of Life" date on SSL VPN Client 3.2 Changes to the "End of Maintenance" and "End of Life" dates on version 4.7