Re: Purpose of Port 0.

[Joe Touch <touch@xxxxxxx>]

On 2/20/2017 4:54 AM, John C Klensin wrote:

That's what I'd expected, thanks. 

BTW,
https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
did the same,  except of the two references it cited, one is
broken and one is not reliable enough. 

Avoiding that sort of problem is part of what IANA registries
are supposed to be for.

I would agree IF Wikipedia didn't insist on replicating the content of the registry.

The best solution is to edit the Wikipedia page, but that's a Sisyphian task.

Joe