yum설치# yum -y install fail2ban# cd /var/log# touch vsftpd.log# chkconfig fail2ban on22. 5. 13일 기준 centos5에서 yum 설치시 에러발생(M2Crypto.SSL.SSLError: unknown protocol)또는 source설치# wget https://github.com/fail2ban/fail2ban/archive/0.8.14.tar.gz# tar -xvzf 0.8.14.tar.gz# cd fail2ban-0.8.14# setup.py install# cp files/redhat-initd /etc/init.d/fail2ban# chkconfig --add fail2ban# chkconfig fail2ban onhttps..

# yum -y install fail2ban fail2ban-systemd # systemctl enable fail2ban # chkconfig fail2ban on # systemctl start fail2ban # systemctl status fail2ban 기본룰 복사# cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local # vi /etc/fail2ban/jail.local 10분간 차단 bantime = 10m 5번 실패시 차단 maxretry = 5 차단해제# fail2ban-client set vsftpd unbanip 1xx.1xx.2xx.2xx 상태확인# fail2ban-client status vsftpd Status for the jail:..