FastNetMon – DDoS attacks detector, allows you to detect attacks and block them, for example using the BGP Flow spec, displays information in the form of graphs.
Before installation, you must obtain a license, at least a trial
https://fastnetmon.com/trial/
I will give an example of installation in Ubuntu, download the installation script:
wget https://install.fastnetmon.com/installer -Oinstaller
Let’s make it installation and run:
sudo chmod +x installer
sudo ./installer
The installation process will be saved in a log file in the /tmp/ directory.
Further launch instructions can be seen on the official website
https://fastnetmon.com/advanced-quick-start/