nanog mailing list archives

Re: BGP route hijack by AS10990


From: Mark Tinka <mark.tinka () seacom com>
Date: Sat, 1 Aug 2020 22:40:19 +0200



On 1/Aug/20 21:20, Owen DeLong wrote:

IP Prefix level filtering at the customer edge is not that hard, no
matter how large of a transit
provider you are. Customer edge filtration by Telia in this case would
have prevented this
problem from spreading beyond the misconfigured ASN.

+1.

There's simply no excuse - even if 100% of your eBGP sessions may be
customers :-).

Mark.


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