Automatically scan tcp/udp connections, find bad IPs and ban them with iptables.

cd /usr/local
wget https://github.com/yeezon/AntiDDoS/archive/master.zip
unzip master.zip
mv AntiDDoS-master/ ddos
cd ddos
chmod +x ddos.sh
./ddos.sh -c

Please view ddos.conf.

In ddos.conf, fill EMAIL_TO with your email address. And when there is ip banned, you would recieve an email.

To enable email sending, firstly, you should config mailx in your server.

Install mailx:

yum install -y mailx

Open config file:

vi /etc/mail.rc

Add the following content in the end:

The [] means parameter

set from=[[email protected]]
set smtp=[smtp.server.net]
set smtp-auth-user=[user name]
set smtp-auth-password=[password]
set smtp-auth=login

Save and quit with:

:wq