Suricata rulesets that detect and block phishing attacks using malicious URLs and domains from community threat feeds.
Advanced Phishing Protection: Suricata rulesets open and free
Quantum Insert
Suricata rules for network anomaly detection
OPNSense's Suricata IDS/IPS Detection Rules Against NMAP Scans
Collection of various open-source an commercial rulesets for NIDS (especially for Suricata and Snort)
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