攻撃/DDoS/analyzerについて、ここに記述してください。

https://github.com/pavel-odintsov/fastnetmon

FastNetMon - very fast DDoS analyzer with sflow/netflow/mirror 

What can we do? 

We can detect hosts in our networks sending or receiving large volumes of
packets/bytes/flows per second.

We can call an external script to notify you,
switch off a server, or blackhole the client.