CSF (ConfigServer Security & Firewall)

Config Server Firewall (CFG) and Login Failure deamon (LFD) features like suspicious file reporting and system monitoring, login, intrusion detection, standard filtering of packets, SYN flood detection, user interface integration for cPanel, DirectAdmin and Webmin, detect port scans, monitor temp directory and script directory for suspicious modifications, Port Knocking, manual IP blocks, monitoring automatic IP blocks, Straight-forward SPI iptables firewall script,