[anti-abuse-wg] [routing-wg] 2019-03 New Policy Proposal (BGP Hijacking is a RIPE Policy Violation) to be discussed on Anti-Abuse Working Group Mailing List

 

What I'm trying to say is that *direct* peers are responsible for leaks as well (with un/misconfigured prefix list policy). Any other ASN simply have no strict method and no prior knowledge to determine legitimacy of the prefix announce, is should seem 

 

Just trying to act as the evil advocate, to know others opinions.

 

obvious. I personally don't believe that introduction of this policy will somehow change behavior of small companies who accidentally causing hijacks from time to time, but for their (larger at most) upstreams/peers the policy violation is something they want to prevent. 

 

Again, in our LACNIC proposal we have considered that incidental issues will also be communicated to those that created the problem, so we can improve the situation as time passes.

 

Another thing is to determine the existence of the purposeful effort - if we assume that such thing as leaks caused by state-backed providers exist, there is a very small chance that the leak would be represented as non-accidental by its nature and so on, so the policy probably should focus on preventing leaks caused by non-transit or smaller operators by enforcing certain rules on those who may be called transit ones, e.g. those whose business is entirely dependent on proper functioning of their infra.

 

Clearly this is the difficulty that will have the experts, correctly classifying the incidents, and may be this means that first time for some incidents (accidental or not) could not be declared as “on purpose”.

 

On Tue, Mar 19, 2019 at 4:14 PM JORDI PALET MARTINEZ via anti-abuse-wg <anti-abuse-wg at ripe.net> wrote:

Hi Andrey,

 

While it looks, in a first sight, a very good idea, if a neighbor ASN fails to do the filtering (for whatever reason, not necessarily on purpose), should we not just “punish” that one, but also next one and so on ?


Regards,

Jordi

 

 

 

De: anti-abuse-wg <anti-abuse-wg-bounces at ripe.net> en nombre de Andrey Korolyov <andrey at xdel.ru>
Fecha: martes, 19 de marzo de 2019, 13:59
Para: <anti-abuse-wg at ripe.net>
Asunto: Re: [anti-abuse-wg] [routing-wg] 2019-03 New Policy Proposal (BGP Hijacking is a RIPE Policy Violation) to be discussed on Anti-Abuse Working Group Mailing List

 

You can find the full proposal at:
https://www.ripe.net/participate/policies/proposals/2019-03

 

Hey WG,

 

out of curiosity, why neighboring ASNs are not carrying any responsibility for not filtering out a malicious advertisement from a directly-peered neighbor in the proposal? AFAIU most leaks happen because large parties are letting their ACL loose, not because some state-backed player decides to take a pick on someone's else traffic (though both variants exists). The peer who allows any prefix announcement originating from its direct neighbor is no less responsible for the hijack as the origin AS itself. 

 

Could you please suggest a possibility to include that kind of relations (determined by third parties, as currently stated for hijacker's AS in the draft) and measures against a transit/upstream in same manner as they are currently defined for a hijacker?

 

Thanks. 


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