云服务器fail2ban安装及配置 屏蔽ip

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1.添加epel的YUM源cd /etc/yum.repos.d/rpm --import http://mirrors.ustc.edu.cn/fedora/epel/RPM-GPG-KEY-EPEL-6wget https://lug.ustc.edu.cn/wiki/_export/code/mirrors/help/epel?codeblock=0 && mv epel?codeblock=0 epel.repowget https://lug.ustc.edu.cn/wiki/_export/code/mirrors/help/epel?codeblock=1 && mv epel?codeblock=1 epel-testing.repo 2、安装： yum install fail2ban