Server Hardening with ConfigServer Security & Firewall (CSF)
CSF was designed for Linux servers by Way to the Web Limited and is very powerful SPI (Stateful Packet Inspection) iptables firewall script with a Login/Intrusion Detection and Security capabilities like blocking traffic from well known spammers network using the DShield Block List and the Spamhaus DROP List. Below is a small cut of it's features:
- Excessive connection blocking
- Excessive user processes reporting
- SYN Flood protection
- Port Scan tracking and blocking
To help with the ease and flexibility of the suite, CSF has a front-end which could be easily integrated with control panels like cPanel, DirectAdmin and Webmin. This makes configuring and managing the firewall very simple task.
This post describes how to harden your server with CSF: installation, configuration and control panel integration.
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