How to Install and Configure CSF
Config Server Firewall / CSF the firewall application designed for Linux servers. CSF is a Login/Intrusion Detection that effective for applications like SSH, SMTP, IMAP, Pop3, the “su” command and many others. The CSF use to recognize the user who uses to login into the server via SSH, will send an alert if they trying to utilize the “su” command to attain higher privileges on the server. Another key function of CSF is that it will