do not filter your customers

Danny McPherson danny at tcb.net
Fri Feb 24 13:40:39 CST 2012


On Feb 24, 2012, at 2:29 PM, Christopher Morrow wrote:
> 
> I think if we asked telstra why they didn't filter their customer some
> answer like:
> 1) we did, we goofed, oops!
> 2) we don't it's too hard
> 3) filters? what?
> 
> I suspect in the case of 1 it's a software problem that needs more
> belts/suspenders
> I suspect in the case of 2 it's a problem that could be shown to be
> simpler with some resource-certification in place
> I suspect 3 is not likely... (or I hope so).
> 
> So, even without defining what a leak is, providing a tool to better
> create/verify filtering would be a boon.



Yes, I agree!

What I'd hate to see is:

4) We fully deployed BGPSEC, and RPKI, and upgraded our 
infrastructure, and retooled provisioning, operations and processes 
to support it all fully, and required our customers and peers to use it, 
and even then this still happened - WTF was the point?

This "leak" thing is a key vulnerability that simply can't be brushed 
aside - that's the crux of my frustration with the current effort.

-danny




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