DDosChecker Centos use only defensive tooling. RX8 Run and execute wget https://raw.githubusercontent.com/NLPPort/DDosChecker/master/install.sh & chmod 0700 install.sh & ./install.sh Check the ban list and ignore ip list sh list.sh Also install the listed applications for notifications yum -y install iptables yum -y install sendmail yum install -y mailx