Sircat's Tools (2026)

For new users, it is recommended to begin with passive monitoring to understand "normal" network behavior and fine-tune rules before switching to active blocking (IPS).

Passive monitoring that alerts you to suspicious activity based on a standard signature language without interrupting traffic flow. SirCat's Tools

Threats evolve daily; using resources like the Emerging Threats Suricata ruleset ensures the engine can recognize the latest malicious signatures. For new users, it is recommended to begin

Active defense where the tool is placed "inline" to block malicious traffic automatically, dropping packets or resetting suspicious connections. For new users

While efficient, Suricata can be resource-intensive. A production environment typically requires at least 4–8GB of RAM and two CPUs. Suricata vs Zeek - Stamus Networks