Enabling ConfigServers Firewall (csf) clustering for Login Failure Daemon (lfd)

ConfigServer Firewal (csf) is a very lightweight and easy to configure firewall for linux systems. Its cPanel interface provides a very easy to access and control the firewall from the WHM (Web Host manager). One of the best part of it, it’s fully free.   In version 5, csf introduced  lfd (Login Failure Daemon) clustering [...]