nanog mailing list archives

Attacks on BGP Routing Ranges


From: Ryan Hamel <Ryan.Hamel () quadranet com>
Date: Wed, 18 Apr 2018 10:37:57 +0000

Hello,

I wanted to poll everyones thoughts on how to deal with attacks directly on BGP peering ranges (/30's, /127's).

I know that sending an RTBH for our side of the upstream routing range does not resolve the issue, and it would 
actually make things worse by blackholing all inbound traffic on the carrier I send the null to. What are my options 
for carriers that are not willing to help investigate the situation or write up a firewall rule to mitigate it on the 
circuit? I am not a fan of naming and shaming because it has unintended consequences.

Thanks in advance for everyone's suggestions.

Ryan Hamel


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