On 1/Aug/20 18:58, Job Snijders wrote:
> Following a large scale BGP incident in March 2015, noction made it
> possible to optionally set the well-known NO_EXPORT community on route
> advertisements originated by IRP instances.
>
> "In order to further reduce the likelihood of these problems
> occurring in the future, we will be adding a feature within Noction
> IRP to give an option to tag all the more specific prefixes that it
> generates with the BGP NO_EXPORT community. This will not be enabled
> by default [snip]"
> https://www.noction.com/blog/route-optimizers
> Mar 27, 2015
>
> Due to NO_EXPORT not being set in the default configuration, there are
> probably if not certainly many unsuspecting network engineers who end up
> deploying this software - without ever even considering - to change that
> one setting in the configuration.
>
> Fast forward a few years and a few incidents, on the topic of default
> settings, following the Cloudflare/DQE/Verizon incident:
>
> "We do have no export community support and have done for many
> years. The use of more specifics is also optional. Neither replaces
> the need for filters."
> https://twitter.com/noction/status/1143177562191011840
> Jun 24, 2019
>
> Community members responded:
>
> "Noction have been facilitating Internet outages for years and
> years and the best thing they can say in response is that it is
> technically possible to use their product responsibly, they just
> don't ship it that way."
> https://twitter.com/PowerDNS_Bert/status/1143252745257979905
> June 24, 2019
>
> Last year Noction stated:
>
> "Nobody found this leak pleasant."
> https://www.noction.com/news/incident-response
> June 26, 2019
>
> Sentiment we all can agree with, change is needed!
>
> As far as I know, Noction IRP is the ONLY commercially available
> off-the-shelf BGP route manipulation software which - as default - does
> NOT set the BGP well-known NO_EXPORT community on the product's route
> advertisements. This is a product design decision which causes
> collateral damage.
>
> I would like to urge Noction to reconsider their position. Seek to
> migrate the existing users to use NO_EXPORT, and release a new version
> of the IRP software which sets NO_EXPORT BY DEFAULT on all generated
> routes.
A great first step!
Mark.