nanog mailing list archives

Re: "Is BGP safe yet?" test


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Wed, 22 Apr 2020 14:03:14 -0400

On Wed, Apr 22, 2020 at 1:32 PM Danny McPherson <danny () tcb net> wrote:

On 2020-04-22 12:51, Andrey Kostin wrote:


BCP38 website doesn't proclaim anybody in person to be unsafe, but if
it would be possible to make such test it'd be more useful than that
RPKI test.

BTW, has anybody yet thought/looked into extending RPKI-RTR protocol
for validation of prefixes received from peer-as to make ingress
filtering more dynamic and move away prefix filters from the routers?

Do you really want those things in soft-state and not with some giant
operational buffer to absorb all the brokenness that's sure to arise?

a question about the data types here...
So, a neighbor with no downstream ASN could be filtered directly with
ROA == prefixlist-content.
A neighbor with a downstream ASN has to be ROA (per asn downstream) ==
prefixlist-content.

So you'd now have to do some calculations which are more complicated
than just; "is roa for this prefix here and valid" to construct a
prefix-list.
correct?


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