Fail2Ban

Fail2Ban is a daemon that enhances server security by banning IP addresses exhibiting malicious behavior, such as excessive failed login attempts. It achieves this by monitoring log files from various services (sshd, Apache, etc.) and automatically updating firewall rules to block offending IPs for a specified duration. Fail2Ban supports IPv6, is highly configurable, and offers extensive documentation and community support. It's designed to improve server security by mitigating brute-force attacks and other intrusion attempts. The software can be adapted to diverse use cases and log file formats to accommodate specific security needs. ## Bénéfices - Reduced risk of brute-force attacks and unauthorized access attempts. Improved server security by proactively blocking malicious IPs. Increased efficiency by automating the IP banning process. Easy to configure and adapt to various services and log file formats. Extensible with community-provided filters for a broad range of applications. Supports both IPv4 and IPv6 addresses. Widely used and supported by a large community, offering extensive documentation and support resources.