[100770] in North American Network Operators' Group

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Re: Abusive traffic from Microsoft China?

daemon@ATHENA.MIT.EDU (goemon@anime.net)
Thu Nov 8 13:29:40 2007

Date: Thu, 8 Nov 2007 10:28:46 -0800 (PST)
From: goemon@anime.net
To: David Hubbard <dhubbard@dino.hostasaurus.com>
cc: nanog@merit.edu
In-Reply-To: <FCD26398C5EDE746BFC47F43EA52A173024D7A8D@dino.ad.hostasaurus.com>
Errors-To: owner-nanog@merit.edu


What are you seeing? port 80 traffic? port 25?

thousands of random connections sounds like web indexing to me.

-Dan

On Thu, 8 Nov 2007, David Hubbard wrote:

>
> Just wondering if anyone else is seeing huge random
> floods of traffic from:
>
> inetnum:      202.96.51.128 - 202.96.51.255
> netname:      MICROSOFT-CO
> descr:        Microsft (China) Co.Ltd
> country:      CN
> admin-c:      CH455-AP
> tech-c:       SY21-AP
> mnt-by:       MAINT-CNCGROUP-BJ
> changed:      suny@publicf.bta.net.cn 20060926
> status:       ALLOCATED NON-PORTABLE
> source:       APNIC
> changed:      suny@publicf.bta.net.cn 20060926
>
> On a nearly daily basis we see them randomly open
> thousands of connections from a variety of addresses
> in that block to multiple servers.  I've emailed
> of coruse but that results in nothing.  Probably
> will just end up blocking them.
>
> Thanks,
>
> David
>

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