BCP38 [Was: Re: TWC (AS11351) blocking all NTP?]

Frank Bulk frnkblk at iname.com
Wed Feb 5 04:03:04 UTC 2014


Here's such a report:

http://spoofer.cmand.org/summary.php

Frank

-----Original Message-----
From: Livingood, Jason [mailto:Jason_Livingood at cable.comcast.com] 
Sent: Tuesday, February 04, 2014 6:53 PM
To: Octavio Alvarez; North American Network Operators' Group
Subject: Re: BCP38 [Was: Re: TWC (AS11351) blocking all NTP?]

On 2/4/14, 7:48 PM, "Octavio Alvarez" <alvarezp at alvarezp.ods.org> wrote:

>What I'm failing to understand, and again, please excuse me if I'm
>oversimplifying, is what data do you need from researchers,
>specifically. What specific actionable data would be helpful? Why does
>the lack of the data prevent you from applying an ACL.

What I am suggesting is that the community at large needs measurement
data, rather than individual network operators (which already know if they
do or do not implement BCP38). Only with a long list of operators that DO
prevent spoofing and a list of those that DO NOT, backed up with a decent
data set (enough measurement points, enough measurement tests, across
enough time, with an openly shared methodology), can the community start
to encourage non-adopters to change their position. Just my two cents
though...

Jason







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