Consistent routing policy?

Niels Bakker niels=nanog at bakker.net
Mon Sep 16 17:19:09 UTC 2019


>> https://archive.nanog.org/meetings/nanog40/presentations/BGPcommunities.pdf
>>Don’t let anyone send you Informational tags, these should only be 
>>set by you, and you should strip them from all BGP neighbors 
>>(customers, transits, peers, etc). Otherwise you have a massive 
>>security problem.

* ross at tajvar.io (Ross Tajvar) [Mon 16 Sep 2019, 19:14 CEST]:
>I often see informational tags propagated through multiple ASes. 
>What is the security risk there?

Don't let anyone send you *your* informational tags.


	-- Niels.



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