snort
Snort is an open source intrusion prevention system that uses rules to detect and prevent malicious network activity.
YAIDS is a Multi-Threaded Intrusion Detection System using Yara. It's a performant, written in C, and supports any PCAP compatible data stream (Network, USB, Bluetooth, etc.). It supports BPF (traffic filtering), all valid Yara rules (including modules), and includes External Variables to build traffic/packet attribute conditions. It also includes multiple logging modes (alerts, PCAP data, console, file, etc.).
Snort is an open source intrusion prevention system that uses rules to detect and prevent malicious network activity.
Azure DDoS Protection and Mitigation Services by Microsoft Azure for secure cloud solutions.
A simple IOC scanner bash script for Linux/Unix/OSX systems
Firewall, Blackhole, and Privatizing Proxy for macOS with comprehensive security features.
Intercepts and examines mobile app connections by stripping SSL/TLS layer.
Detects and prevents SSRF attacks