Suricata

wikipedia:Suricata (software) engine is capable of real time intrusion detection (IDS), inline intrusion prevention (IPS), network security monitoring (NSM) and offline pcap processing

See also

• IDS, HIDS: snort, fail2ban, RdpGuard, suricata, OSSEC, Wazuh, Palo Alto WildFire, Malware analysis, SIEM, Samhain