1. fail2ban 설치 (CentOS 7 / fail2ban v0.11.2 기준)$ sudo ym instsall epel-release$ sudo yum install fail2ban fail2ban-systemd 2. 기본 설정$ sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local 3. /etc/fail2ban/jail.local 에 설정 추가$ sudo vi /etc/fail2ban/jail.local...[httpd-dos]enabled = true#port = http,httpsfilter = httpd-doslogpath = /var/log/httpd/access_logmaxretry = 100findtime = 10bantime = 60a..