Requirements A Linux server with ip/xtables installed and running. Any of the following distributions installed RedHat/CentOS/CloudLinux 5-7, Fedora, openSUSE, Debian, Ubuntu, Slackware. What is CSF? CSF is a set of extension scripts to iptables on Linux, that integrates with various control panels and Linux distribution packages to enhance the security standing of your server, for example… Continue reading Install the CSF Firewall on Linux