Carrier Grade NAT

Matt Palmer mpalmer at
Tue Jul 29 20:05:35 UTC 2014

On Tue, Jul 29, 2014 at 11:42:31AM -0500, Chris Boyd wrote:
> On Jul 29, 2014, at 10:23 AM, Mikael Abrahamsson wrote:
> > 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.
> There's probably going to be some interesting legal fallout from that
> practice.  As an ISP customer, I'd be furious to find out that my
> communications had been intercepted due to the bad behavior of another
> user.

Then you'll no doubt be happy to know that you're very, very unlikely to
ever find out.

- Matt

More information about the NANOG mailing list