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Re: Indonesian ISP Moratel announces Google's prefixes
From: Stephen Wilcox <steve.wilcox () ixreach com>
Date: Wed, 7 Nov 2012 05:13:16 +0000

Nobody said a Moratel customer announced a Google prefix, they said the
issue was within Moratel.

This is a really good article that explains the issue in detail, maybe read
it again?

http://blog.cloudflare.com/why-google-went-offline-today-and-a-bit-about

Steve

On 7 November 2012 05:07, Jian Gu <guxiaojian () gmail com> wrote:

Where did you get the idea that a Moratel customer announced a google-owned
prefix to Moratel and Moratel did not have the proper filters in place?
according to the blog, all google's 4 authoritative DNS server networks and
8.8.8.0/24 were wrongly routed to Moratel, what's the possiblity for a
Moratel customers announce all those prefixes?

On Tue, Nov 6, 2012 at 9:02 PM, Patrick W. Gilmore <patrick () ianai net
wrote:

On Nov 06, 2012, at 23:48 , Jian Gu <guxiaojian () gmail com> wrote:

What do you mean hijack? Google is peering with Moratel, if Google does
not
want Moratel to advertise its routes to Moratel's peers/upstreams, then
Google should've set the correct BGP attributes in the first place.

That doesn't make the slightest bit of sense.

If a Moratel customer announced a Google-owned prefix to Moratel, and
Moratel did not have the proper filters in place, there is nothing Google
could do to stop the hijack from happening.

Exactly what attribute do you think would stop this?

--
TTFN,
patrick


On Tue, Nov 6, 2012 at 3:35 AM, Anurag Bhatia <me () anuragbhatia com>
wrote:

Another case of route hijack -

http://blog.cloudflare.com/why-google-went-offline-today-and-a-bit-about



I am curious if big networks have any pre-defined filters for big
content
providers like Google to avoid these? I am sure internet community
would be
working in direction to somehow prevent these issues. Curious to know
developments so far.




Thanks.


--

Anurag Bhatia
anuragbhatia.com

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