Multiple versions of Snort 2 and Snort 3 will be reaching End of Life this year.
As of 12/18/2025 the following versions of Snort 2 will have reached end of life and we will no longer publish Snort Talos Rules for these versions as a result, the following versions of Snort 2 will no longer be supported:
2.9.11.1
2.9.13.0
2.9.14.1
2.9.15.1
2.9.16.0
2.9.16.1
2.9.17.0
2.9.18.1
2.9.19.0
As of 12/18/2025, all versions of Snort 3 prior to and including Snort 3.1.9.0 will reach end of life and will no longer be supported.
We encourage All Snort 3 users to use the Talos lightSPD rules package for downloading rules as this singular package contains configurations for every version of Snort 3 and Shared Object rules for all supported versions and architectures, in addition to the latest versions of all rules
Upgrade to the latest version of Snort 3 available here: https://snort.org/downloads
For more information on the features and advantages of Snort 3 please visit:
https://snort.org/snort3
For More information on using the Talos lightSPD package please visit:
https://blog.snort.org/2020/12/soft-release-lightspd-new-rules-package.html
For help downloading, installing and configuring Snort 3 please visit:
https://docs.snort.org/rules/
To take advantage of SnortML:
https://blog.snort.org/2024/08/watch-snortml-training-video.html
To learn more about Snort 3 and Wide String Detection:
https://blog.snort.org/2025/04/in-snort-3.html
For users who would like to continue to use Snort 2, we encourage you to update to Snort 2.9.20 as soon as possible, which can be found at https://snort.org/downloads .
Snort 2.9.20 is the version of Snort that we will continue to support for the longest period of time.
If you have any questions, please feel free to reach out to us at: snort-sub@cisco.com or join our discord: https://discord.gg/DZpdZDJtSH