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DoS-Deflate是一款免费的用来防御和减轻DDoS攻击。它通过netstat监测跟踪创建大量网络连接的IP地址，在检测到某个结点超过预设的限制时，该程序会通过APF或IPTABLES禁止或阻挡这些IP. DDoS-Deflate安装及配置 1、安装 wget http://www.inetbase.com/scripts/ddos/install.sh chmod 0700 install.sh ./install.sh 2、配置 配置文件是 /usr/local/ddos/ddos.conf ，默认有如下配置 FREQ=1 NO_OF_CONNECTIONS=150 APF_BAN=1 KILL=1 EMAIL_TO=”root” BAN_PERIOD=600 IP地址白名单：/usr/local/ddos/ignore.ip.list 卸载 wget http://www.inetbase.com/scripts/ddos/uninstall.ddos chmod 0700 uninstall.ddos ./uninstall.ddos MediaLayer was in need of a script to automatically mitigate (D)DoS attacks. The necessity started when MediaLayer was the target of a rather large, consistent attack originating from multiple IP addresses. Each IP would have a large amount of connections to the server, as shown as by: netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n
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