automatic rtbh trigger using flow data

Aaron Gould aaron1 at gvtc.com
Thu Aug 30 20:38:13 UTC 2018


Thanks, but what if the attacker is many... like thousands ?  ...isn't that
typically what we see, is tons and tons of sources (hence
distributed....dos) ?

-Aaron

-----Original Message-----
From: Michel Py [mailto:michel.py at tsisemi.com] 
Sent: Thursday, August 30, 2018 3:17 PM
To: Aaron Gould; Nanog at nanog.org
Subject: RE: automatic rtbh trigger using flow data 

> Aaron Gould wrote :
> Hi, does anyone know how to use flow data to trigger a rtbh (remotely
triggered blackhole) route using bgp ?  ...I'm thinking we could use
> quagga or a script of some sort to interact with a router to advertise to
bgp the /32 host route of the victim under attack.

Look at Exabgp : https://github.com/Exa-Networks/exabgp
That's what I use in here : https://arneill-py.sacramento.ca.us/cbbc/ to
inject the prefixes in BGP.
I block the attacker's addresses, not the victim but if you are willing to
write your own scripts it does the job.

Michel.

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