[173590] in North American Network Operators' Group
Re: Carrier Grade NAT
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Tue Jul 29 11:24:00 2014
X-Original-To: nanog@nanog.org
Date: Tue, 29 Jul 2014 17:23:48 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Colton Conor <colton.conor@gmail.com>
In-Reply-To: <CAMDdSzNABh=OtkQn52xJLaY=h26Ho3Bkk54aVSJTXeDXsO30MQ@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
On Tue, 29 Jul 2014, Colton Conor wrote:
> How do you keep track of copyright violations in a CGNAT solution if
> multiple customers are sharing the same public IP address?
You ask them to provide port numbers. If they can't, then you can't
identify a single subscriber.
If law enforcement comes along without port numbers then you give them a
list of subscribers behind that IP at the time. Use port block allocation
and keep track of the blocks to reduce logging load.
--
Mikael Abrahamsson email: swmike@swm.pp.se
