Because there weren't many working detection alert rules against different types of NMAP port scans in OPNSense's Suricata IDS/IPS, or even in Suricata's ET Telemetry ...
🔍 About Nmap Nmap (Network Mapper) is a powerful, open-source network scanning tool created by Gordon Lyon in September 1997. It is used for network discovery, security auditing, vulnerability ...