[145143] in North American Network Operators' Group
Re: facebook spying on us?
daemon@ATHENA.MIT.EDU (Patrick Muldoon)
Thu Sep 29 09:26:31 2011
From: Patrick Muldoon <doon.bulk@inoc.net>
In-Reply-To: <CAPLq3UOHKF3kSRkcqyjBJpJ3wLoJtrJG2ehqiiz1Mv3Sog8P=Q@mail.gmail.com>
Date: Thu, 29 Sep 2011 09:25:16 -0400
To: Glen Kent <glen.kent@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sep 29, 2011, at 9:13 AM, Glen Kent wrote:
> Hi,
>=20
> I see that i have multiple TCP sessions established with facebook.
> They come up even after i reboot my laptop and dont login to facebook!
>=20
> D:\Documents and Settings\gkent>netstat -a | more
>=20
> Active Connections
>=20
> Proto Local Address Foreign Address State
> TCP gkent:3974 www-10-02-snc5.facebook.com:http ESTABLISHED
> TCP gkent:3977 www-11-05-prn1.facebook.com:http ESTABLISHED
> TCP gkent:3665
> a184-84-111-139.deploy.akamaitechnologies.com:http ESTABLISHED
>=20
> [clipped]
>=20
> Any idea why these connections are established (with facebook and
> akamaitechnologies) and how i can kill them? Since my laptop has
> several connections open with facebook, what kind of information is
> flowing there?
>=20
Use a sniffer like wireshark, and see what the traffic is?=20
Are you using a chat program that supports facebook chat? Or perhaps a =
game or an application that uses facebook for something? =20
Really it could be anything as there are lots of applications that have =
grown up around the Facebook Eco system..=20
Also are you browsing the web? There are facebook like buttons and the =
such all over the web. So you don't even need to be logged in or have =
visited yet after the reboot.=20
> I also wonder about the kind of servers facebook must be having to be
> able to manage millions of TCP connections that must be terminating
> there.
Lots of them. There is video of their new DC floating around that shows =
them..=20
=
http://www.datacenterknowledge.com/archives/2011/04/18/video-inside-facebo=
oks-server-room/
-Patrick
--
Patrick Muldoon
Network/Software Engineer
INOC (http://www.inoc.net)
PGPKEY (http://www.inoc.net/~doon)
Key ID: 0x370D752C
Base 8 is just like base 10, if you are missing two fingers. - Tom =
Lehrer
