Alternatives to Suricata
Inspect network traffic with an intrusion-detection engine. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Suricata
Inspect network traffic with an intrusion-detection engine.
Replacements
Listings that take over the same core job as Suricata.
Snort
Open-source intrusion detection and prevention system.
Snort is a mature intrusion detection and prevention system that also runs on Windows, with a large community rule body and a paid subscriber rule set for the newest rules.
Zeek
Network analysis framework that turns traffic into high-level activity logs.
Zeek produces semantic activity logs of network traffic rather than signature alerts, uses its own scripting language for detections, and also runs on macOS.
Security Onion
A free Linux distribution for network security monitoring, packet capture, detection and threat hunting.
Security Onion is a complete monitoring distribution installed from one ISO with detection, packet capture and threat hunting, needing dedicated hardware and more setup.
Similar software
Related functionality, not a direct replacement.
CrowdSec
Detect suspicious behavior in server logs and web traffic.
Wazuh Agent
Endpoint agent that feeds a Wazuh server with security and compliance data.
Falco
Detect unusual runtime behavior on Linux systems.
Fail2ban
Log-watching daemon that bans addresses after repeated authentication failures.
Kismet
Wireless detector, sniffer and intrusion detection system for Wi-Fi, Bluetooth and RF.
OPNsense
An open-source firewall and routing platform based on FreeBSD that you install on your own hardware.