We hit half-million: The Cidr Report

Fred Baker (fred) fred at cisco.com
Thu May 1 23:57:06 UTC 2014


On May 1, 2014, at 4:10 PM, Jean-Francois Mezei <jfmezei_nanog at vaxination.ca> wrote:

> Pardon my ignorance here. But in a carrier-grade NAT implementation that
> serves say 5000 users, when happens when someone from the outside tries
> to connect to port 80 of the shared routable IP ? 

More to the point, your trust boundary includes 5000 people. Do you know them all? Who maintains their systems and software? Do you trust them?

What happens if they approach you from behind the NAT?
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