I will share information / tricks,
Install Anti-DDoS.

Follow this Tutorial
Open up an SSH connection (I suggest PuTTy or Bitvise.)
Make a folder
do cd (foldername)
To get the script, do 1
wget http://www.inetbase.com/scripts/ddos/install.sh
After its done downloading, do 1
chmod 0700 install.sh
After doing chmod, do this as well, 1
./install.sh
The original source of this information
Install Anti-DDoS on linux vps
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GeoB99