config BR2_PACKAGE_FAIL2BAN bool "fail2ban" depends on BR2_PACKAGE_PYTHON || BR2_PACKAGE_PYTHON3 select BR2_PACKAGE_PYTHON_SYSTEMD if BR2_PACKAGE_SYSTEMD help Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. Out of the box Fail2Ban comes with filters for various services (apache, courier, ssh, etc). Fail2Ban is able to reduce the rate of incorrect authentications attempts however it cannot eliminate the risk that weak authentication presents. https://www.fail2ban.org