Bro Digest

I am trying to study and analysis the logs that generating against the attack. As there is a DoS attack hping3 i am trying to study logs that generating against this attack.
The bro server is is deployed in the our Network and i am attacking from the same network on the same network node .
the particular kali linux command is following

hping3 -S -a 172.X.X.X --flood -p 80 172.X.X.X

Where i can find these logs that will generate against this attack???