Currently the ET Open and ETPRO rulesets are released for the following supported engines:
Suricata
- Suricata 7.0.3 (and higher)
- Suricata 7.0.x (leverages the Suricata 5 ruleset)
- Suricata 6.0.x (leverages Suricata 5 ruleset)
- Suricata 5.0.x
- Suricata 4.1.x
- Suricata 4.0.x
Snort
- 2.9.13 and later for versioning 2.9.x.