fail2ban

Блокировка на один час /ip firewall filter add chain=input protocol=tcp dst-port=22 src-address-list=ssh_blacklist action=drop \ comment=”drop ssh brute forcers” disabled=no add chain=input protocol=tcp dst-port=22 connection-state=new \ src-address-list=ssh_stage3 action=add-src-to-address-list address-list=ssh_blacklist \ address-list-timeout=1h comment=”” disabled=no add chain=input protocol=tcp dst-port=22 connection-state=new \ src-address-list=ssh_stage2 action=add-src-to-address-list address-list=ssh_stage3 \ address-list-timeout=20s comment=”” disabled=no add chain=input protocol=tcp dst-port=22 connection-state=new src-address-list=ssh_stage1 \ action=add-src-to-address-list address-list=ssh_stage2 address-list-timeout=20s …

Continue reading ‘fail2ban’ »

fail2ban

CentOS 7 / Red Hat: yum install fail2ban Ubuntu / Debian: apt install fail2ban CentOS 6: Добавляем репозиторий: rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Устанавливаем пакет: yum install fail2ban Для запуска службы вводим следующие команды: systemctl enable fail2ban systemctl start fail2ban * Для старых систем без systemd это будут команды  chkconfig fail2ban on  update-rc.d fail2ban defaults  service fail2ban start. Базовая …

Continue reading ‘fail2ban’ »