In our previous article we performed the Single Server Installation of Zimbra Collaboration Suite, so…
How to Install and Configure CSF (Config Server Firewall) on CentOS 7
Config Server Firewall / CSF is firewall application suite for Linux servers. CSF is also a Login/Intrusion Detection for applications like SSH, SMTP, IMAP, Pop3, the “su” command and many more. This tutorial will show the installation of CSF on CentOS 7 and guide you trough the first steps to use this powerful application suite.