Re: Do ISP's collect and analyze traffic of users?

[Lou Devictoria <telescope40 () gmail com>]

ISP capture traffic samplings in both directions
Upstream at aggregation points , Downstream at ingress and your DNS queries
but the last part everyone knows .
Some of the most expensive gear is used to sample and aggregate that data

On Mon, May 15, 2023 at 7:01 PM Michael Thomas <mike () mtcc com> wrote:

> And maybe try to monetize it? I'm pretty sure that they can be compelled
> to do that, but do they do it for their own reasons too? Or is this way
> too much overhead to be doing en mass? (I vaguely recall that netflow,
> for example, can make routers unhappy if there is too much "flow").
>
> Obviously this is likely to depend on local laws but since this is NANOG
> we can limit it to here.
>
> Mike