CSF is an application-based firewall for iptables provided for Linux servers. CSF has many features and can support web-based management tools like CWP, cPanel/WHM, DirectAdmin and Webmin. CSF is easy to install and use on the server, it makes security management easier for sysadmins. To add more power to this, it comes with a Login Failure Daemon (LFD) script that runs all the time to scan for failed attempts to login to the server to detect bruteforce-attacks. There are an array of extensive checks that lfd can perform to help alert the server administrator of changes to the server, potential problems and possible compromises. LFD also blocks IPs if a huge number of failed logins are appearing from that IP. The block is temporary. It also allows the admin to view the blocked IP by enabling an email alert service. Some of the features include: Login Tracking Process Tracking Directory Watching Advanced Allow/Deny features Block Reporting Port Flood Protection ....etc Befo
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