Sircat's Tools -

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

Suricata can be configured to operate in three distinct ways depending on your security needs:

It can automatically identify protocols like HTTP or FTP on any port, ensuring proper logging and detection logic is always applied.

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).