Community Ruleset
Free
GPLv2 Talos-certified rules; updated daily; subset of the Subscriber Ruleset
Checked 30 Sep 2026
Plans and prices
Snort pricing
Snort engine
Free
GPL v2 software; derived applications redistributed under GPL must provide complete source code
Checked 30 Sep 2026
Personal
$29.99 a year
Per sensor; home network or educational use only; rules available upon release, 30 days faster than registered users
Checked 30 Sep 2026
Business
$399 a year
Per sensor; production or lab use; no redistribution except as allowed by the license; priority response for false positives and rules
Checked 30 Sep 2026