This suite of scripts provides: Straight-forward SPI iptables firewall script Daemon process that checks for login authentication failures for: Courier imap, Dovecot, uw-imap, Kerio openSSH cPanel, WHM, Webmail (cPanel servers only) Pure-ftpd, vsftpd, Proftpd Password protected web pages (htpasswd) Mod_security failures (v1 and v2) Suhosin failures Exim SMTP AUTH Custom login failures with separate log file and regular expression matching POP3/IMAP login tracking to enforce logins per hour SSH login notification SU login notification Excessive connection blocking UI Integration for cPanel, DirectAdmin and Webmin Easy upgrade between versions from within cPanel/WHM, DirectAdmin or Webmin Easy upgrade between versions from shell Pre-configured to work on a cPanel server with all the standard cPanel ports open Pre-configured to work on a DirectAdmin server with all the standard DirectAdmin ports open Auto-configures the SSH port if it's non-standard on installation Block traffic on unused server IP addresses - helps reduce the risk to your server Alert when end-user scripts sending excessive emails per hour - for identifying spamming scripts Suspicious process reporting - reports potential exploits running on the server Excessive user processes reporting Excessive user process usage reporting and optional termination Suspicious file reporting - reports potential exploit files in /tmp and similar directories Directory and file watching - reports if a watched directory or a file changes Block traffic on the DShield Block List and the Spamhaus DROP List BOGON packet protection Pre-configured settings for Low, Medium or High firewall security (cPanel servers only) Works with multiple ethernet devices Server Security Check - Performs a basic security and settings check on the server (via cPanel/DirectAdmin/Webmin UI) Allow Dynamic DNS IP addresses - always allow your IP address even if it changes whenever you connect to the internet ... and much much more. See website.