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Network Security Toolkit (NST) is a bootable live USB distribution based on Fedora that provides a comprehensive set of open-source network security applications for security professionals and network administrators. It includes an advanced web user interface for system/network administration, network monitoring, host geolocation, and network analysis, along with tools like ntopng for deep packet inspection and LibreSpeed for network speed testing.
AI named Network Security Toolkit (NST) in March 2026.