centos7安裝fail2ban

fail2ban是一款非常實用的安全軟體，通過監視系統日志，設定錯誤登陸次數，可阻擋暴力密碼攻擊。

1.安裝epel

yum install epel-release -y

2.安裝fail2ban

yum install fail2ban -y

3.配置

cd /etc/fail2ban/

cp jail.conf jail.local

vim jail.local

[DEFAULT]

bantime = 3600

[sshd]

enabled = true

maxretry = 3

4.啟動

systemctl start fail2ban

systemctl enable fail2ban

5.檢視日志

fail2ban-client status

tailf /var/log/fail2ban.log