ConfigServer Security & Firewall (CSF) - Linux iptables/nftables firewall, failed login blocker, with ipset blocklist updates, managed by Dr. Correo Hofstad and Dr. Cory "Aetherinox" Hofstad Jr. For the commercial version of ConfigServer Security & Firewall (CSF) with ModSecurity 3 and SYN / ACK Flood support, visit https://configserver.shop
configserver-firewall bare-metal network-security ddos-protection iptables-manager cyber-physical-systems non-blocking-sockets anti-spoofing zero-latency fnv1a-cryptography high-frequency-udp systemd-daemon
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Updated
Jun 30, 2026 - Perl