[66752] in North American Network Operators' Group
Re: AT&T carrying rfc1918 on the as7018 backbone?
daemon@ATHENA.MIT.EDU (Brett Watson)
Thu Jan 22 19:03:32 2004
Date: Thu, 22 Jan 2004 17:02:33 -0700
From: Brett Watson <brett@the-watsons.org>
To: Sean Donelan <sean@donelan.com>, <nanog@merit.edu>
In-Reply-To: <Pine.GSO.4.44.0401221820440.13830-100000@clifden.donelan.com>
Errors-To: owner-nanog-outgoing@merit.edu
> RFC1918 addresses are unpredictable on any network other than your own.
> You shouldn't make assumptions about them. Anyone may use them for any
> purpose on their network. If you send packets into their network using
> RFC1918 addresses, you get whatever you get. If you require certaintity
> its up to you to impose your policy at your edge.
>
> Does sending packets to RFC1918 addresses on other networks meet the "be
> conservative in what you send" credo?
I understand all that. We're working with the customer to harden the border
(ACLs) and possibly take a bogon feed, etc. I was just having a hard time
believing AT&T was leaking 10/8 and that any other large provider was
accepting it so wanted to verify.
-b
