RFC 8212: Bringing Sane Defaults to EBGP
It’s amazing how long it can take to get some sanity into networking technologies. RFC 8212 specifies that a BGP router should not announce prefixes over EBGP until its routing policy has been explicitly configured. It took us only 22 years to get there…
For more technical details, read this email by Job Snijders.
https://tools.ietf.org/html/draft-ietf-idr-bgp-open-policy-01
How about rephrasing "sane" as "something that will do the least damage in the hands of clueless people randomly playing google-and-paste game on their edge routers" ;)